START Experiments recorded for Dr. M. Filella, University of Geneva from SC-Database on Saturday, 01 January, 2000 at 00:45:09 Software version = 5.81 Data version = 4.62 Experiment list contains 153 experiments for (no ligands specified) Metal : Ge(IV) (no references specified) (no experimental details specified) ***************************************************************************** e- HL Electron (442) Electron; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) kin oth/un 25?°C 1.00M U 1965REa (513) 1 K(Ge(IV) + 2e = Ge++)=0 K(Ge(IV)+4e=Ge(s))=8.38, 124mV Medium: H2SO4 ----------------------------------------------------------------------------- Ge(IV) EMF none 25°C 0.0 U 1959LBa (514) 2 K=-4.0(brown GeO,-118 mV) K=-9.2(yellow GeO,-273 mV) K(Ge(II)+2e=Ge(s))=7.81(231mV) K: GeO2(s,hex)+2H+2e=GeO(s)+H2O. K(H2GeO3+4H+4e=Ge(s)+3H2O)=0.7(11 mV) ***************************************************************************** Br- HL Bromide CAS 10035-10-6 (19) Bromide; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) dis oth/un 25°C ? C 1991SOa (1943) 3 K(GeMe(OH)+H+L=GeMeL)=-2.57 K(GeMe(OH)2+2H+2L=GeMeL2)=-4.3 K(GeMe(OH)3+3H+3L=GeMeL3)=-4.7 K(GeMe2(OH)+H+L=GeMe2L)=-1.59 K(GeMe2(OH)2+2H+2L=GeMe2L2)=-3.49 ***************************************************************************** Cl- HL Chloride CAS 7647-01-0 (50) Chloride; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) dis oth/un 25°C ? C 1991SOa (4931) 4 K(Ge(OH)+H+L=GeL(H2O))=-3.02 K(Ge(OH)2+2H+2L=GeL2)=-3.84 K(Ge(OH)3+3H+3L=GeL3)=-4.82 K(Ge(OH)4+4H+4L=GeL4)=-5.09 K(MeGe(OH)+H+L=MeGeL)=-2.31; K(MeGe(OH)2+2H+2L=MeGe(OH)2)=-2.95; K(MeGe(OH)3 +3H+3L=MeGeL3)=-3.81; K(Me2Ge(OH)+H+L=Me2GeL)=-0.71;K(Me2Ge(OH)2+2H+2L)=-2.2 ----------------------------------------------------------------------------- Ge(IV) sp oth/un ? var U 1961ADb (4932) 5 K5K6=-5.06 ***************************************************************************** F- HL Fluoride CAS 7644-39-3 (201) Fluoride; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) ISE NaClO4 25°C 3.00M U I 1990CIc (6930) 6 *B(2,-1)=2.9 *B(4,0)=7.18 *B(4,1)=6.65 *B(6,1)=9.94 *B(6,2)=9.59. *B(p,q): Ge(OH)4 + pHF = Ge(OH)xFp + qH + 4-x H2O. Data also in 3.0 M LiClO4 ----------------------------------------------------------------------------- Ge(IV) dis oth/un 20°C ? U K1=1.68 B2=3.03 1979NVa (6931) 7 B3=4.18 B4=5.17 B5=6.07 B6=7.24 ----------------------------------------------------------------------------- Ge(IV) ix oth/un ? ? U 1972PAb (6932) 8 K6=3.21 ----------------------------------------------------------------------------- Ge(IV) ix KCl ? 0.50M U 1968PMf (6933) 9 K6=3.86 ----------------------------------------------------------------------------- Ge(IV) ISE oth/un 25°C var U T 1965RKa (6934) 10 K=-30.9 K(GeF6+2H2O=4H+6F+GeO2)=-25.8 K: K2GeF6(s)+2H2O=2K+4H+6F+GeO2(s,hex) ----------------------------------------------------------------------------- Ge(IV) oth NaCl 50°C 0.40M U T H 1964RKb (6935) 11 K(GeF5H2O+HF=GeF6+H3O)=0.34 Method:chemical analysis. K=0.66(0 C),0.62(10 C),0.58(20 C),0.50(30 C), 0.42(40 C). At 25 C: DH(K)=10.8 kJ mol-1, DS=-26.3 J K-1 mol-1 ----------------------------------------------------------------------------- Ge(IV) oth oth/un 25°C dil U T 1964RKc (6936) 12 K(GeF4H2OOH+HF+F=GeF6)=5.3 Method: chemical analysis, quinhydrone electrode. At 0 C:K=5.9 ----------------------------------------------------------------------------- Ge(IV) EMF NaClO4 25°C 0.50M U 1963BPb (6937) 13 K(Ge(OH)4+4HF)=7.30 K(Ge(OH)4+5HF)=8.94 ***************************************************************************** MoO4-- H2L Molybdate (443) Molybdate; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un ? ? U 1960KRb (8735) 14 K(H4GeO4+4H2Mo3O10=H4GeMo12O40+4H2O)? =12.86 (pH 2.40) ***************************************************************************** OH- HL Hydroxide (57) Hydroxide; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaClO4 25°C 0.10M C 2000KAa (11543) 15 K(Ge(OH)4=GeO(OH)3+H)=-9.16 ----------------------------------------------------------------------------- Ge(IV) gl oth/un 25°C 0.0 C T 1998PSb (11544) 16 K(GeO2(s)+2H2O=Ge(OH)4)=-5.02 K(GeO(OH)3+H=Ge(OH)4)=9.32 Method: solubility of GeO2(tetr) in dil KOH, 21-90 C. Also solubility data for GeO2 at pH 1.5-10 at 25-350 C. ----------------------------------------------------------------------------- Ge(IV) sol NaCl 25°C 0.10M C 1998PSc (11545) 17 Ks(GeO2+2H2O=Ge(OH)4)=-1.38 Method: solubility of GeO2(hex) in NaCl. ----------------------------------------------------------------------------- Ge(IV) sol none RT 0.0 C 1990DEa (11546) 18 Ks(Ge(OH)4+2H)=-19.26 K(4Ge(OH)4(s)+GeO2(OH)2)=13.15 K: 4Ge(OH)4(s)+GeO2(OH)2=Ge5O11+9H2O ----------------------------------------------------------------------------- Ge(IV) sp KNO3 25°C 0.10M U I K1=14.18 B2=27.98 1968NFa (11547) 19 B3=41.52 B4=54.81 K1=13.73, B2=29.28, B3=43.47, B4=56.98(I=1). Also when I=0.3, 0.5 ----------------------------------------------------------------------------- Ge(IV) dis oth/un 25°C U K1=14.78 B2=29.18 1966ANa (11548) 20 B3=43.32 B4=56.85 Medium: LiCl ----------------------------------------------------------------------------- Ge(IV) sol oth/un 25°C var U 1964GZa (11549) 21 *Ks(Ge(OH)2(s)+H=GeOH)=-1.26 K(GeOH+H=Ge(II))=-1.7 ? Ge as Ge++ ? ***************************************************************************** O2-- H2L Peroxide CAS 7772-84-1 (2813) Peroxide; -O.O- ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1960ARb (12665) 22 K(GeO(OH)3+2H2L)=1.68 ***************************************************************************** SO4-- H2L Sulfate CAS 7664-93-9 (15) Sulfate; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un 70°C ? U 1974NOa (16226) 23 K(GeO2+HL)=-0.15 Medium: H2SO4 ***************************************************************************** CH4O L Methyl alcohol CAS 67-56-1 (597) Methanol; CH3.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) EMF alc/w 20°C 100% U 1964GUa (17882) 24 K(Ge(H-1L)3+H-1L)=13.65 K(Ge(H-1L)4+H=Ge(H-1L)3)=2.95 Method: H electrode. Medium: MeOH, 1.0 M Me4NCl ***************************************************************************** C2H2O4 H2L Oxalic acid CAS 144-62-7 (24) Ethanedioic acid; (COOH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) ix oth/un 25°C ? U 1964KSd (18914) 25 K3=3.5 ***************************************************************************** C2H4O3 HL Glycolic acid CAS 79-14-1 (33) 2-Hydroxyethanoic acid; HO.CH2.COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 25°C 0.10M U 1975BPf (20552) 26 K(Ge(OH)2+2L)=0.25 ***************************************************************************** C2H6OS HL CAS 60-24-2 (841) 2-Mercaptoethanol; HS.CH2.CH2.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1963ATa (22065) 27 K(H2GeO3+2HL=GeOH(H1L)2+H)=-4.22 ***************************************************************************** C2H6O2 L Ethyleneglycol CAS 107-21-1 (924) 1,2-Dihydroxyethane (Ethane-1,2-diol); HO.CH2.CH2.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) EMF KCl 25°C 0.10M U 1959ANa (22147) 28 K(HGeO3+L)=0.17 K(HGeO3+2L)=-0.37 Method: quinhydrone electrode ***************************************************************************** C2H8O7P2 H4L HEDPA CAS 2809-21-4 (436) 1-Hydroxyethane-1,1-diphosphonic acid; CH3.C(OH)(PO3H2)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaNO3 20°C 0.10M U 1983SBb (23376) 29 K(Ge(OH)2+H3L)=2.52 ***************************************************************************** C3H6OS2 HL Xanthic acid CAS 151-01-9 (590) (Ethoxy)dithiomethanoic acid; CH3.CH2O.CSSH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U I 1982SGc (24873) 30 K(Ge(OH)2+2L)=8.81 ***************************************************************************** C3H6O3 HL L-Lactic acid CAS 79-33-4 (82) L-2-Hydroxypropanoic acid; CH3.CH(OH).COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 25°C 0.10M U 1975BPf (25454) 31 K(Ge(OH)2+2L)=0.46 ----------------------------------------------------------------------------- Ge(IV) con NaCl 18°C 1.0M U 1957VAa (25455) 32 K(H2GeO3+2HL)=0.6(?) ----------------------------------------------------------------------------- Ge(IV) gl oth/un 18°C 0.0 U 1957VAa (25456) 33 K(H2GeO3+2HL)=1.9(?) ***************************************************************************** C3H8O2 L Propyleneglycol CAS 57-55-6 (2025) Propan-1,2-diol; CH3.CH(OH).CH2(OH) ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) EMF KCl 25°C 0.10M U 1959ANa (27677) 34 K(HGeO3+L)=0.28 K(HGeO3+2L)=0.06 Method: quinhydrone electrode. ***************************************************************************** C3H8O3 L Glycerol CAS 56-81-5 (2707) Propane-1,2,3-triol; HO.CH2.CH(OH).CH2.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U I 1957ANa (27735) 35 K(HGeO3+L)=1.21 K(HGeO3+2L)=1.94 K(HGeO3+2L)=1.105-1.700sqrtI ***************************************************************************** C3H12NO9P3 H6L NTPA CAS 6419-19-8 (2920) Nitrilotris(methylenephosphonic acid); N(CH2PO3H2)3 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1984SBa (28570) 36 K(Ge+H2L)=13.64 ***************************************************************************** C4H6O5 H2L Malic acid CAS 617-48-1 (393) 2-Hydroxybutane-1,4-dioic acid, Hydroxy-succinic acid; HOOC.CH2.CH(OH).COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) con NaCl 18°C 1.0M U 1957VAa (30639) 37 K(H2GeO3+2H2L)=0.68 ----------------------------------------------------------------------------- Ge(IV) gl oth/un 18°C 0.0 U 1957VAa (30640) 38 K(H2GeO3+2H2L)=2.92 ***************************************************************************** C4H6O6 H2L L-Tartaric acid CAS 87-69-4 (92) L-Tartaric acid, L-2,3-Dihydroxybutanedioic acid; HOOC.CH(OH).CH(OH).COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaNO3 25°C 0.10M U 1973BPa (31266) 39 K(Ge(OH)2+H2L)=4.13 ----------------------------------------------------------------------------- Ge(IV) gl NaCl 18°C 1.0M U 1957VAa (31267) 40 K(H2GeO3+HL)=5.2 ***************************************************************************** C4H10O2 L Butanediol CAS 26171-83-5 (3574) Butanediol (1,2-/1,3-/1,4- etc not stated) ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) EMF KCl 25°C 0.10M U 1959ANa (34667) 41 K(HGeO3+L)=0.64 K(HGeO3+2L)=0.04 Method: quinhydrone electrode. ***************************************************************************** C4H10O3 L CAS 623-39-2 (3577) 3-Methoxypropan-1,2-diol; CH2(OH).CH(OH).CH2.OCH3 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) oth KCl 25°C 0.10M U 1959ANa (34707) 42 K(HGeO3+L=GeO2H-2L)=0.84 K(HGeO3+2L=HGeO(H-2L)2)=0.58 Method: quinhydrone electrode ***************************************************************************** C4H11NO8P2 H5L CAS 2439-99-8 (2129) N-Carboxymethyl-N,N-bis(methylenephosphonic acid); HOOC.CH2.N(CH2.PO3H2)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1988SBb (35109) 43 K(Ge+HL)=17.1 Phosphate buffer pH=6 ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1986SBb (35110) 44 K(Ge(OH)2+H2L)=4.18 ***************************************************************************** C5H4O3 HL Pyromeconic aci CAS 496-63-9 (3600) 3-Hydroxy-4H-pyran-4-one; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (36272) 45 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.86 ***************************************************************************** C5H5N L Pyridine CAS 110-86-1 (31) Pyridine, Azine; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) cal non-aq 25°C 100% U H 1967MOb (36638) 46 Medium: n-hexane. DH(GeF4(l)+2L(l)=GeF4L2(c))=-202.3 kJ mol-1, DH(GeF4(g)+ 2L(l)=GeF4L2(c))=-224; DH(GeCl4(g)+2L(l)=GeCl4L2(c))=-207. Plus others ***************************************************************************** C5H10NO7P H4L PMIDA CAS 5994-61-6 (2433) N-(Phosphonomethyl)iminodiethanoic acid; H2O3P.CH2.N(CH2.COOH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1988SBb (39676) 47 K(Ge(OH)+HL)=10.4 Phosphate buffer pH 6 ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1986SBb (39677) 48 K(Ge(OH)2+HL)=6.48 ***************************************************************************** C5H10OS2 HL CAS 110-50-9 (591) (Butoxy)dithiomethanoic acid; CH3.CH2.CH2.CH2O.CSSH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U I 1982SGc (40158) 49 K(Ge(OH)2+2L)=8.82 ***************************************************************************** C5H10O4 L Deoxy-Ribose CAS 533-67-5 (7470) 2-Deoxy-D-ribose, 2-Deoxy-D-erythro-pentose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1979HUa (40327) 50 K(H2GeO3+L)=3.44 ***************************************************************************** C5H10O5 L D-Arabinose CAS 10323-20-3 (3606) D-Arabinose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ATa (40335) 51 K(HGeO3+2L=HGeO(H-2L)2)=3.52 ***************************************************************************** C5H10O5 L D-Xylose CAS 58-86-6 (3607) D-Xylose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ATa (40362) 52 K(HGeO3+2L=HGeO(H-2L)2)=3.38 ***************************************************************************** C5H10O5 L L-Arabinose CAS 5328-37-0 (1616) L-Arabinose ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ATa (40370) 53 K(HGeO3+2L=HGeO(H-2L)2)=3.63 ***************************************************************************** C6HO3Cl3 HL CAS 69173-78-0 (3668) Trichlorohydroxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1966BBb (42031) 54 K(Ge(OH)4+2HL) < 1.4 ***************************************************************************** C6H2N2O8 H2L Nitroanilic aci CAS 479-22-1 (3669) 3,6-Dinitro-2,5-dihydroxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaClO4 25°C 3.0M U 1967BBa (42034) 55 K(Ge(OH)4+2HL=Ge(OH)2L2)=4.9 Medium: LiClO4 ***************************************************************************** C6H2O4Cl2 H2L Chloranilic acd CAS 87-88-7 (1281) 3,6-Dichloro-2,5-dihydroxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaCl 25°C 0.50M U 1964BBb (42051) 56 K(Ge(OH)4+2HL)=6.57 ----------------------------------------------------------------------------- Ge(IV) sp KCl 25°C 0.50M U 1964BBb (42052) 57 K(Ge(OH)2L2+H)=0.8 Medium: HCl ----------------------------------------------------------------------------- Ge(IV) sp oth/un 25°C 2.50M U 1962NFa (42053) 58 K(Ge(OH)4+HL)=7.64 K(Ge(OH)3L+HL)=6.30 K(Ge(OH)2L2+HL)=5.65 ***************************************************************************** C6H4N2O6 H2L CAS 7659-29-2 (2694) 1,2-Dihydroxy-3,5-dinitrobenzene; (HO)2.C6H2(NO2)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaClO4 25°C 0.10M U 1970NLd (42266) 59 B3=47.85 ***************************************************************************** C6H4O4 H2L CAS 615-94-1 (1280) 2,5-Dihydroxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KCl 25°C 0.50M U 1967BBa (42305) 60 K(Ge(OH)4+2HL=Ge(OH)2L2)=8.09 K(Ge(OH)2L2+H=Ge(OH)2HL2)=1.8 ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1966BBb (42306) 61 K(Ge(OH)4+2HL=Ge(OH)2L2)=9.1 ***************************************************************************** C6H4O5 H2L Comenic acid CAS 499-78-5 (2544) 3-Hydroxypyran-4-one-6-carboxylic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (42319) 62 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.25 ***************************************************************************** C6H4O10S2 H4L Euthiochronic a (3670) 3,6-Disulfo-2,5-dihydroxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967BBa (42333) 63 K(Ge(OH)4+2HL=Ge(OH)2L2)=6.35 ***************************************************************************** C6H5NO4 H2L 3-Nitrocatechol CAS 6665-98-1 (2685) 1,2-Dihydroxy-3-nitrobenzene; O2N.C6H3(OH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaClO4 25°C 0.10M U 1970NLc (42861) 64 B3=59.59 ***************************************************************************** C6H5NO4 H2L 4-Nitrocatechol CAS 3316-09-4 (890) 1,2-Dihydroxy-4-nitrobenzene; O2N.C6H3(OH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KCl 25°C 0.10M U 1967PBd (42928) 65 K(Ge(OH)4+3H2L=GeL3+2H)=3.90 ***************************************************************************** C6H5O2Cl H2L 4-Cl-Catechol CAS 2138-22-9 (1656) 1,2-Dihydroxy-4-chlorobenzene; Cl.C6H3(OH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.10M U 1967PBd (43082) 66 K(Ge(OH)4+3H2L=GeL3+2H)=0.65 ***************************************************************************** C6H5O4Cl HL Chlorokojic aci (3086) 3-Chloro-5-hydroxy-2-hydroxymethyl-4-pyrone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (43133) 67 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.33 ***************************************************************************** C6H5O4I HL Iodokojic acid CAS 40838-33-3 (3681) 3-Iodo-5-hydroxy-2-hydroxymethyl-4-pyrone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (43143) 68 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.49 ***************************************************************************** C6H6O2 H2L Catechol CAS 120-80-9 (534) 1,2-Dihydroxybenzene, pyrocatechol; HO.C6H4.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaCl 25°C 0.10M M 1998PSc (43768) 69 K(Ge(OH)4+3H2L=GeL3+2H+4H2O)=-1.39 Method: solubility of GeO2(hex) in 0.1 m NaCl/0.01-0.05 m H2L. ----------------------------------------------------------------------------- Ge(IV) gl oth/un 25°C 0.0 U 1963ANc (43769) 70 K(HGeO3+3H2L=HGeL3)=8.67 ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959AMa (43770) 71 K(H2GeO3+3H2L=GeL3+2H)=-0.77 ***************************************************************************** C6H6O3 H3L Pyrogallol CAS 87-66-1 (696) 1,2,3-Trihydroxybenzene; C6H3(OH)3 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl oth/un 25°C 0.0 U 1963ANc (43961) 72 K(HGeO3+3H3L=HGe(HL)2)=9.05 ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959AMa (43962) 73 K(H2GeO3+3H3L=Ge(HL)3+2H)=-0.22 ***************************************************************************** C6H6O3 HL Maltol CAS 118-71-8 (2442) 3-Hydroxy-2-methyl-4H-pyran-4-one; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M C 1979MBf (44088) 74 K(GeO2+2HL=Ge(OH)2L2)=4.2 K(GeO2+3HL+H=GeL3+2H2O)=8.3 ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1966BBb (44089) 75 K(Ge(OH)4+2HL=Ge(OH)2L2)=3.90 K(Ge(OH)4+3HL+H=GeL3)=8.05 ***************************************************************************** C6H6O3 HL Allomaltol CAS 644-46-2 (2688) 5-Hydroxy-2-methyl-4H-pyran-4-one; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (44127) 76 K(Ge(OH)4+2HL=Ge(OH)2L2)=3.43 ***************************************************************************** C6H6O4 HL Kojic acid CAS 501-30-4 (1800) 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M C 1979MBf (44219) 77 K(GeO2+2HL=Ge(OH)2L2)=3.2 K(GeO2+3HL+H=GeL3+2H2O)=6.0 ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (44220) 78 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.81 ***************************************************************************** C6H6O8S2 H4L Tiron CAS 149-45-1 (104) 4,5-Dihydroxybenzene-1,3-disulfonic acid; (HO)2.C6H2(SO3H)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 1.00M U I 1967PBd (44453) 79 K(Ge(OH)4+2H2L=GeL2)=3.89 K'(Ge(OH)4+3H2L=GeL3+2H)=3.70 K=2.30(I=0.11), 3.10(I=0.26), 3.50(I=0.50) ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C var U 1966ATc (44454) 80 K(Ge(OH)4+3H2L=GeL3+2H)=-2.307+27.49SQRTI/(1+2.851SQRTI)-0.370I ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959AMa (44455) 81 K(Ge(OH)4+3H2L=GeL3+2H)=-2.74 ***************************************************************************** C6H8O7 H3L Citric acid CAS 77-92-9 (95) 2-Hydroxypropane-1,2,3-tricarboxylic acid; HOOCCH2.CH(OH)(COOH).CH2COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaCl 25°C 0.10M M 1998PSc (46126) 82 K(Ge(OH)4+2H3L=Ge(OH)2(H2L)2+2H2O)=6.2, K(Ge(OH)4+H2L=Ge(OH)3HL+H2O)= 2.4. Method: solubility of GeO2(hex) in 0.1 m NaCl/0.02 m H3L. ----------------------------------------------------------------------------- Ge(IV) sp NaNO3 25°C 0.10M U 1973BPa (46127) 83 K(Ge(OH)2+H3L)=2.01 pH 1-2 ***************************************************************************** C6H9NO6 H3L NTA CAS 139-13-9 (191) Nitrilotriethanoic acid; N(CH2.COOH)3 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1988SBb (46843) 84 K(Ge(OH)2+HL)=4.06 Phosphate buffer pH=6 ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1986SBb (46844) 85 K(Ge(OH)2+HL)=3.82 ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M U 1981MMe (46845) 86 K(GeO2+H2L=Ge(OH)2L)=4.42 ***************************************************************************** C6H10O7 HL Glucuronic acid CAS 6556-12-3 (599) D-Glucuronic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.70 1986HPb (48420) 87 ***************************************************************************** C6H11NO5 H2L HIMDA CAS 93-62-9 (192) N-(2-Hydroxyethyl)iminodiethanoic acid; HO.CH2.CH2.N(CH2.COOH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1988SBb (48739) 88 K(Ge(OH)2+L)=8.42 Phosphate buffer pH=6 ***************************************************************************** C6H12OS2 HL CAS 123-97-7 (6144) Pentoxydithiomethanoic acid; C5H11.O.C(S)SH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U I 1982SGc (49411) 89 K(Ge(OH)2+2L)=8.72 ***************************************************************************** C6H12O5 L L-Rhamnose CAS 634-74-2 (3659) 6-Deoxy-L-mannose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ATa (49507) 90 K(HGeO3+2L=HGeO(H-2L)2)=3.24 ***************************************************************************** C6H12O6 L D-Fructose CAS 57-48-7 (1561) D-Fructose ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaCl 25°C 0.10M M 1998PSc (49548) 91 K(GeO(OH)3+2L=Ge(OH)(H-2L)2+3H2O)=5.48. 2.4. Method: solubility of GeO2(hex) in 0.1 m NaCl/0.02 m L. ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C var U I 1963NFa (49549) 92 K(HGeO3+2L)=4.273+1.155SQRTI ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1958ANa (49550) 93 K(HGeO3+2L=HGeO(H-2L)2)=5.48 ***************************************************************************** C6H12O6 L D-Galactose CAS 59-23-4 (1559) D-Galactose ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C var U I 1963NFa (49565) 94 K(HGeO3+2L)=2.117+1.297SQRTI ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1958ANa (49566) 95 K(HGeO3+2L=HGeO(H-2L)2)=3.29 ***************************************************************************** C6H12O6 L D-Glucose CAS 492-62-6 (1560) D-Glucose ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M M 1980MBc (49589) 96 K(GeO2+2H2L=Ge(OH)L2+H)=-6.33 K'(Ge(OH)L2+H2L=GeL3+H)=-10.6 For L=D-dulcitol, K=-3.88, K'=-10.0; L=D-adonitol, K=-5.43, K'=-10.6. ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C var U I 1963NFa (49590) 97 K(HGeO3+2L)=1.451+1.178SQRTI ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1958ANa (49591) 98 K(HGeO3+2L=HGeO(H-2L)2)=3.46 ***************************************************************************** C6H12O6 L D-Mannose CAS 3458-28-4 (1562) D-Mannose ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1958ANa (49606) 99 K(HGeO3+2L=HGeO(H-2L)2)=4.13 ***************************************************************************** C6H12O6 L Sorbose CAS 87-79-6 (930) L(-)-Sorbose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ATa (49614) 100 K(HGeO3+2L=HGeO(H-2L)2)=5.35 ***************************************************************************** C6H12O6 L Inositol CAS 87-89-8 (2285) myo-Inositol, meso-Inositol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1967FAa (49638) 101 K(HGeO3+2L=HGeO(H-2L)2)=2.140 ***************************************************************************** C6H12O7 HL Gluconic acid CAS 526-95-4 (904) D-Gluconic acid, 2,3,4,5,6-Pentahydroxyhexanoic acid; HO.CH2(CHOH)4.COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=2.06 1986HPb (49721) 102 ***************************************************************************** C6H13NO6 HL CAS 84518-56-9 (4387) 2-Amino-2-deoxy-D-gluconic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaClO4 25°C 0.10M U M 2000KAa (50532) 103 B(GeO(OH)H-1L)=3.01 B(Ge(OH)2(H-1L)2)=6.63 B(GeO(OH)H-2L)=-6.23 B(Ge(OH)(H-1L)2)=14.35 Metal is Ge(OH)4. Also data for ternary species Ge(OH)4ML, M = Zn, Cd, Pb. ***************************************************************************** C6H14O6 L D-Dulcitol CAS 608-66-2 (3663) D-Galactitol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ARa (51061) 104 K(HGeO3+2L=HGeO(H-2L)2)=4.71 ***************************************************************************** C6H14O6 L D-Mannitol CAS 69-65-8 (3664) D-Mannitol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M C 1979MBf (51081) 105 K(GeO2+3H2L=GeL3+2H+2H2O)=-13.7; K(GeO2+2H2L=Ge(OH)L2+H+H2O)=-4.0; K(Ge(OH)L2+H2O=GeL3+H+H2O)=-9.7 ----------------------------------------------------------------------------- Ge(IV) gl NaCl 25°C 0.50M U 1973PAb (51082) 106 K(Ge(OH)4+L+H2O=GeH-1(OH)4L+H)=-6.43, K(Ge(OH)4+2L+H2O=GeH-1(OH)4L2+H)=-3.95 K(2Ge(OH)4+2L+2H2O=(Ge(OH)4)2H-2L2+2H)=-10.68 ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C var U 1963NFa (51083) 107 K(HGeO3+2L)=3.394+1.055SQRTI ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ARa (51084) 108 K(HGeO3+2L=HGeO(H-2L)2)=4.53 ***************************************************************************** C6H14O6 L Glucitol CAS 50-70-4 (2878) D-Sorbitol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M C 1979MBf (51103) 109 K(GeO2+3H2L=GeL3+2H+2H2O)=-12.3; K(GeO2+2H2L=Ge(OH)L2+H+H2O)=-3.7; K(Ge(OH)L2+H2O=GeL3+H+H2O)=-8.6 ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1959ARa (51104) 110 K(HGeO3+2L=HGeO(H-2L)2)=5.09 ***************************************************************************** C6H15NO3 Triethanolamine CAS 102-71-6 (447) Tris-(2-hydroxyethyl)amine; L ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M U 1981MMe (51292) 111 K(GeO2+H3L=Ge(OH)L+H2O)=5.26 ***************************************************************************** C7H4O7 H3L Meconic acid CAS 497-59-6 (3723) 3-Hydroxy-4-pyrone-2,6-dicarboxylic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967CBb (52565) 112 K(Ge(OH)4+2HL) < 1 ***************************************************************************** C7H6O2 HL Tropolone CAS 533-75-5 (3129) 2-Hydroxycyclohepta-2,4,6-trien-1-one; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1966BBb (53675) 113 K(Ge(OH)4+2HL)=8.03 K(Ge(OH)4+3HL+H)=13.3 ***************************************************************************** C7H6O3 H2L CAS 139-85-5 (881) 3,4-Dihydroxybenzaldehyde, protocatechuic aldehyde; C6H3(OH)2.CHO ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1968AOa (54355) 114 K(HGeO3+3H2L)=2.78 ***************************************************************************** C8H6O4 H2L CAS 6272-27-1 (4474) 2,3-Dihydro-6,7-dihydroxy-3-oxobenzofuran; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un 25°C ? U M 1967NPa (58815) 115 K(Ge(OH)2+2H2L=Ge(OH)2L2+4H)=11.4 ***************************************************************************** C8H8O3 HL Mandelic Acid CAS 611-72-3 (80) 2-Phenyl-2-hydroxyethanoic acid; C6H5.CH(OH).COOH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) EMF KCl 25°C 0.10M U 1962CLb (59836) 116 K(GeL3+H)=3.83 K(GeHL3+H)=2.53 ----------------------------------------------------------------------------- Ge(IV) con NaCl 18°C 1.0M U 1957VAa (59837) 117 K(H2GeO3+2HL)=2.0 ----------------------------------------------------------------------------- Ge(IV) gl oth/un 18°C 0.0 U 1957VAa (59838) 118 K(H2GeO3+2HL)=2.92 ***************************************************************************** C9H5NOCl2 HL CAS 773-76-2 (3278) 5,7-Dichloro-8-hydroxyquinoline; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (63543) 119 K(Ge(OH)4+2HL=Ge(OH)2L2)=6.7 ***************************************************************************** C9H6NO4IS H2L Ferron CAS 547-91-1 (275) 7-Iodo-8-hydroxyquinoline-5-sulfonic acid; (HO)(HO3S)C9H4NI ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (63805) 120 K(Ge(OH)4+2HL=Ge(OH)2L2)=6.78 ***************************************************************************** C9H7N L CAS 119-65-3 (487) Isoquinoline; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) cal non-aq 25°C 100% U H 1967MOb (64026) 121 Medium: n-hexane. Many data; DH(GeF4(l)+2L(l)=GeF4L2(c))=-149.2 kJ mol-1 DH(GeF4(g)+2L(l)=GeF4L2(c))=-170.9, DH(GeCl4(l)+2L(l)=GeCl4L2(c))=-93.2 ***************************************************************************** C9H7NO HL Oxine CAS 148-24-3 (504) 8-Hydroxyquinoline (8-quinolinol); ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (64279) 122 K(Ge(OH)4+2HL=Ge(OH)2L)=6.61 ***************************************************************************** C9H7NO4S H2L Sulfoxine CAS 84-88-8 (448) 8-Hydroxyquinoline-5-sulfonic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (64549) 123 K(Ge(OH)4+2HL=Ge(OH)2L2)=6.55 ***************************************************************************** C9H28N3O15P5 10L DTPPH CAS 15827-60-8 (2921) Diethylenetriamine-N,N,N',N",N"-penta(methylphosphonic acid); H2O3PCH2.N(CH2CH2.N(CH2PO3H2)2)2 H ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KNO3 20°C 0.10M U 1984SBa (68410) 124 K(Ge+H6L)=9.45 ***************************************************************************** C10H6O3 HL CAS 83-72-7 (3294) 2-Hydroxy-1,4-naphthoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1966BBb (68460) 125 K(Ge(OH)4+2HL=Ge(OH)2L2) < 3.0 ***************************************************************************** C10H8O5S H3L DHNSA (877) 2,3-Dihydroxynaphthalene-6-sulfonic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp KCl 25°C 0.10M U 1967PBd (69849) 126 K(H2GeO3+3H2L=GeL3+2H)=2.0 ***************************************************************************** C10H8O8S2 H4L Chromotropic ac CAS 148-25-4 (1875) 1,8-Dihydroxynaphthalene-3,6-disulfonic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M C 1979MBf (69953) 127 K(GeO2+3H2L=GeL3+2H+2H2O)=-4.8 ----------------------------------------------------------------------------- Ge(IV) sp KCl 25°C 0.10M U 1967PBd (69954) 128 K(H3GeO4+3H2L=HGeL3+2H)=2.30 ***************************************************************************** C10H9NO HL 8-OH-Quinaldine CAS 826-81-3 (998) 2-Methyl-8-hydroxyquinoline; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (70047) 129 K(Ge(OH)4+2HL=Ge(OH)2L2)=3.4 ***************************************************************************** C10H9NO4S H2L CAS 29021-67-8 (3926) 2-Methyl-8-hydroxyquinoline-5-sulfonic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967TMd (70198) 130 K(Ge(OH)4+2HL=Ge(OH)2L2)=2.2 ***************************************************************************** C10H16N2O8 H4L EDTA CAS 60-00-4 (120) 1,2-Diaminoethane-N,N,N',N'-tetraethanoic acid, Sequestric acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KNO3 20°C 0.10M U 1981MMe (73826) 131 K(GeO2+H3L=Ge(OH)L+H2O)=4.57 ----------------------------------------------------------------------------- Ge(IV) EMF NaCl 25°C 0.50M U 1969NVa (73827) 132 K(Ge(OH)4+H4L)=5.3 ----------------------------------------------------------------------------- Ge(IV) gl oth/un 25°C 0.10M U 1968KMb (73828) 133 K(Ge(OH)L+H)=2.40 K(Ge(OH)4+H4L)=4.80 K(Ge(OH)4+H3L)=4.52 ----------------------------------------------------------------------------- Ge(IV) vlt NaClO4 25°C 0.10M U 1967KOc (73829) 134 K(Ge(OH)4+H4L=Ge(OH)2H2L)=4.80 K(Ge(OH)4+H3L=Ge(OH)2HL)=4.58? ***************************************************************************** C10H18N2O7 H3L HEDTA CAS 150-39-0 (392) N-(Hydroxyethyl)diaminoethane-N,N',N'-triethanoic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl NaClO4 25°C 0.10M U 1969KMe (75409) 135 K(Ge(OH)4+H3L)=4.44 ***************************************************************************** C11H18N2O8 H4L PDTA CAS 4408-81-5 (1655) 1,2-Diaminopropane-N,N,N',N'-tetraethanoic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M U 1969KMe (79289) 136 K(GeOHL+H)=2.50 K(Ge(OH)4+H4L)=4.78 K(Ge(OH)4+H3L)=4.88 ***************************************************************************** C12H9N2O2Cl H2L CAS 29600-20-2 (2638) 4-Chlorobenzene-(1-azo-1')-3',4'-dihydroxybenzene; ClC6H5.N:N.C6H3(OH)2 ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un ? 0.01M U K1=1.3 1958ISb (80594) 137 ***************************************************************************** C12H22O11 L Turanose CAS 547-25-1 (2701) 3-O-D-Glucopyranosyl-D-fructose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=2.32 B2=3.25 1986HPb (82866) 138 ***************************************************************************** C12H22O11 L alpha-Lactose CAS 5989-81-1 (2486) 4-D-Beta-D-Galactopyranosyl-alpha-D-glucose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.97 1986HPb (82875) 139 ***************************************************************************** C12H22O11 L Maltose CAS 6363-53-7 (2705) 4-O-alpha-D-Glucopyranosyl-D-glucose, Maltobiose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.48 1986HPb (82880) 140 ***************************************************************************** C12H22O11 L Cellobiose CAS 528-50-7 (2697) 4-O-beta-D-Glucopyranosyl-D-glucose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.58 1986HPb (82886) 141 ***************************************************************************** C12H22O11 L Melibiose CAS 66009-10-7 (2699) 6-O-D-Galactopyranose-D-glucose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=2.32 B2=3.24 1986HPb (82890) 142 ***************************************************************************** C12H22O11 L Gentiobiose CAS 554-91-6 (2698) 6-O-D-Glucopyranosyl-D-glucose, Amygdalose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.27 1986HPb (82893) 143 ***************************************************************************** C12H22O11 L Trehalose CAS 6138-23-4 (2700) D-Glucopyranosyl-D-glucopyranoside; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.12 1986HPb (82900) 144 ***************************************************************************** C12H22O11 L Sucrose CAS 57-50-1 (2523) beta-D-Fructofuranosyl-alpha-D-glucopyranoside; Saccharose; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=1.00 1986HPb (82910) 145 ***************************************************************************** C12H24O11 L Maltitol CAS 585-88-6 (2709) 4-O-alpha-D-Glucopyranosyl-D-glucitol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=3.22 1988HLa (83683) 146 ***************************************************************************** C12H24O11 L Lactitol CAS 535-94-4 (2710) 4-O-beta-D-Galactopyranosyl-D-glucitol; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) gl KCl 25°C 0.10M M K1=3.08 1988HLa (83686) 147 ***************************************************************************** C14H8O7S H3L DASA CAS 83-61-4 (950) 1,2-Dihydroxyanthraquinone-3-sulfonic acid, Alizarin Red S; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un 25°C 0.10M U 1972NFb (86732) 148 B3=52.80 Medium: acetate ***************************************************************************** C15H11N3O HL PAN CAS 85-85-8 (572) 1-(2-Pyridylazo)-2-naphthol; C5H4N.N:N.C10H6.OH ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un 27°C ? U M 1974ZSa (91219) 149 Keff(GeCl4+L)=3.3 ***************************************************************************** C18H12O6 H2L (4124) 2,5-Dihydroxy-3,6-diphenoxy-1,4-benzoquinone; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaCl 25°C 0.50M U 1967BBa (96886) 150 K(Ge(OH)4+2HL=Ge(OH)2L2)=8.8 ***************************************************************************** C19H12O9Br2S H6L Bromo Pyrog.Red CAS 16574-43-9 (706) 5',5"-Dibromopyrogallolsulfonephthalein; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp NaNO3 ? 0.10M U 1969NMa (99011) 151 K(Ge(OH)3+3H2L)=12.9 ***************************************************************************** C22H20O13 H5L Carminic acid CAS 1260-17-9 (714) Carminic acid; ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp oth/un 25°C ? U 1970BRa (101702) 152 K(Ge(OH)4+H5L)=4.58 Medium: conc H2SO4 ***************************************************************************** C28H15NO4 L CAS 82-22-4 (3522) 1,1'-Iminodianthraquinone; (1,1'-dianthrimide) ----------------------------------------------------------------------------- Metal Mtd Medium Temp Conc Cal Flags Lg K values Reference ExptNo ----------------------------------------------------------------------------- Ge(IV) sp mixed ? 93% U 1968LNa (104653) 153 K(HGeO2+HL)=2.35(?) Medium: 93.2% H2SO4 REFERENCES 2000KAa Y Kanekiyo,S Aizawa,S Funahashi; Inorg.Chim.Acta,298,154 (2000) 1998PSb G Pokrovski,J Schott; Geochim.Cosmo.Acta,62,1631 (1998) 1998PSc G Povrovski,J Schott; Geochim.Cosmo.Acta,63,3413 (1998) 1991SOa Y Sohrin; Bull.Chem.Soc.Jpn.,64,3363 (1991) 1990CIc L Ciavatta,M Iuliano,R Porto,E Vasca; Polyhedron,9,1263 (1990) 1990DEa A De La Cuadra; An.Quim.,86,221 (1990) 1988HLa P Hakkinen et al; Finn.Chem.Lett.,15,7 (1988) 1988SBb I Seifullina,T Batalova et al; Koord.Khim.,14(6)767 (1988) 1986HPb P Hakkinen et al; Finn.Chem.Lett.,13,93 (1986) 1986SBb I Seifullina,T Batalova et al; Koord.Khim.,12(6)747 (1986) 1984SBa I Seifullina,T Batalova,A Kireeva; Koord.Khim.,10(3)336 (1984) 1983SBb I Seyfullina,T Batalova,A Kyreeva; Koord.Khim.,9,67 (1983) 1982SGc I Seifullina,E Guzhavina,I Nazarova; Koord.Khim.,8,1095 (1982) 1981MMe E Mikhailova,M Mikesova,M Bartusek; Coll.Czech.Chem.Comm.,46,701 (1981) 1980MBc A Mikan,M Bartusek; Coll.Czech.Chem.Comm.,45,2645 (1980) 1979HUa E Huttunen; Finn.Chem.Lett.,236 (1979) 1979MBf M Mikesova,M Bartusek; Coll.Czech.Chem.Comm.,44,3256 (1979) 1979NVa V Nazarenko,N Varlamova; Ukr.Khim.Zh.,45,596 (1979) 1975BPf E Belousova,N Pozaritski et al; Zh.Neorg.Khim.,20,2787(1542) (1975) 1974NOa G Nordheim; Acta Chem.Scand.,A28,115 (1974) 1974ZSa S Zaidi,K Siddiqi; Indian J.Chem.,12,540 (1974) 1973BPa E Belousov,A Pozharitskii et al; Zh.Neorg.Khim.,18,10,2766 (1973) 1973PAb L Pettersson,I Andersson; Acta Chem.Scand.,27,977;1019 (1973) 1972NFb V Nazarenko,G Flyantikova,T Selyatina; Zh.Anal.Khim.,27,12,2369 (1972) 1972PAb N Parpiev; Uzbeksk.Khim.Zh.,6,17 (1972) 1970BRa R Brown; Anal.Chim.Acta,50,157 (1970) 1970NLc V Nazarenko,N Lebedeva,L Vinogradova; Zh.Neorg.Khim.,15,11,2990 (1970) 1970NLd V Nazarenko,N Lebedeva,L Vinogradova; Zh.Neorg.Khim.,15,3,643 (1970) 1969KMe N Konopik,P Meszaros; Monatsh.Chem.,100,649 (1969) 1969NMa V Nazarenko,N Makrinich; Zh.Anal.Khim.,24,11,1694 (1969) 1969NVa V Nazarenko,L Vinarova,N Lebedeva; Zh.Neorg.Khim.,14,3,700 (1969) 1968AOa P Antikainen,H Oksanen; Acta Chem.Scand.,22,2867 (1968) 1968KMb N Konopik,P Meszaros; Monatsh.Chem.,99,902 (1968) 1968LNa F Langmyhr,G Norheim; Anal.Chim.Acta,41,341 (1968) 1968NFa V Nazarenko,G Flyantikova; Zh.Neorg.Khim.,13,1855(E:966) (1968) 1968PMf N Parpiev,I Maslennikov; Uzbeksk.Khim.Zh.,2,6 (1968) 1967BBa A Beauchamp,R Benoit; Bull.Soc.Chim.Fr.,672 (1967) 1967CBb G Choux,R Benoit; Bull.Soc.Chim.Fr.,2920 (1967) 1967FAa R Frostell,P Antikainen; Suomen Kem.,B40,86 (1967) 1967KOc N Konopik; Z.Anal.Chem.,224,107 (1967) 1967MOb J Miller,M Onyszchuk; J.Chem.Soc.(A),1132 (1967) 1967NPa V Nazarenko,E Poluektova; Zh.Anal.Khim.,22,6,895 (1967) 1967PBd P Pichet,R Benoit; Inorg.Chem.,6,1505 (1967) 1967TMd J Tsau,S Matsouo,P Clerc,R Benoit; Bull.Soc.Chim.Fr.,1039 (1967) 1966ANa A Andrianov,V Nazarenko; Zh.Neorg.Khim.,11,1527(E:816) (1966) 1966ATc P Antikainen,K Tevanen; Suomen Kem.,B39,2 (1966) 1966BBb A Beauchamp,R Benoit; Can.J.Chem.,44,1607;1615 (1966) 1965REa W Reid; J.Phys.Chem.,69,2269 (1965) 1965RKa I Ryss,N Kulish; Zh.Neorg.Khim.,10,1827 (1965) 1964BBb A Beauchamp,R Benoit; Can.J.Chem.,42,2161 (1964) 1964GUa R Gut; Helv.Chim.Acta,47,2262 (1964) 1964GZa K Gayer,O Zajicek; J.Inorg.Nucl.Chem.,26,2123 (1964) 1964KSd G Kurnevich,G Shagisultanova; Zh.Neorg.Khim.,9,1383 (2559) (1964) 1964RKb I Ryss,N Kulish; Zh.Neorg.Khim.,9,1103 (1964) 1964RKc I Ryss,N Kulish; Zh.Neorg.Khim.,9,1382 (1964) 1963ANc A Andrianov,V Nazarenko; Zh.Neorg.Khim.,8,1194 (2281) (1963) 1963ATa P Antikainen,K Tevanen; Suomen Kem.,B36,199;B35,224 (1963) 1963BPb R Benoit,J Place; Can.J.Chem.,41,1170 (1963) 1963NFa V Nazarenko,G Flyantikova; Zh.Neorg.Khim.,8,1189 (2271);712 (137) (1963) 1962CLb E Clark; J.Inorg.Nucl.Chem.,24,81 (1962) 1962NFa V Nazarenko,G Flyantikova; Zh.Neorg.Khim.,1,1210 (1962) 1961ADb A Angerstein,W Davidson; Z.Anorg.Chem.,310,26 (1961) 1960ARb P Antikainen,V Rossi; Suomen Kem.,B33,38;210 (1960) 1960KRb W Kemula,S Rosolowski; Rocz.Chem.,34,835 (1960) 1959AMa P Antikainen,P Malkonen; Suomen Kem.,B32,179 (1959) 1959ANa P Antikainen; Acta Chem.Scand.,13,312 (1959) 1959ARa P Antikainen,V Rossi; Suomen Kem.,B32,182;185 (1959) 1959ATa P Antikainen,K Tevanen; Suomen Kem.,B32,214 (1959) 1959LBa B Lovrecek,J Bockris; J.Phys.Chem.,63,1368 (1959) 1958ANa P Antikainen; Suomen Kem.,B31,255 (1958) 1958ISb F Iimura,M Shima,H Sano; Nippon Kagaku Kaishi,79,1032/7;1041/5/8 (1958) 1957ANa P Antikainen; Suomen Kem.,B30,45;147 (1957) 1957VAa O Vartapetian; Ann.Chim.(France),2,916 (1957) EXPLANATORY NOTES DATA Flags are :- T Data at other TEMPERATURES I Data with various BACKGROUNDS H Data for THERMOCHEMICAL quantities M Data for TERNARY Complexes ----------------------------------------------------------------------------- END Experiments recorded for Dr. M. Filella, University of Geneva from SC-Database on Saturday, 01 January, 2000 at 00:45:09