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1、pKaDataCompiledbyR.Williamspage-1pKaValuesINDEXInorganic2Phenazine24Phosphates3Pyridine25Carboxylicacids4,8Pyrazine26Aliphatic4,8Aromatic7,8Quinoline27Phenols9Quinazoline27Alcoholsandoxygenacids10,11Quinoxaline27AminoAcids12SpecialNitrogenCompounds28Peptides13Hydroxylamin
2、es28NitrogenCompounds14Hydrazines28Aliphaticamines15,17,19Semicarbazones28Cyanoamines16Amidoximes28Anilines17,18,20Thiols29Nucleosides21CarbonAcids30,31SpecialTableHeterocycles22Indicators31Acridine23References32-34Benzoquinoline24Cinnoline23Hydantoin24Imidazole24Forcompl
3、exchelatingagents,seealsoreference77.Note.ThisdocumentwascompiledbyW.P.JencksandhasbeenaddedtobyF.H.WestheimerpKaDataCompiledbyR.Williamspage-2ACIDSCompoundpKRef.H3PO22.0,2.23*28H2PO4–7.21*77AgOH3.964HPO4_12.32*77Al(OH)311.228H3PO32.028As(OH)39.2228H3AsO42.22,7.0,13.028H2
4、PO3–6.58*77H4P2O71.52*77H2AsO4–6.98*77HAsO4*11.53*77H3P2O7–2.36*77As2O304H2P2O7=6.60*77H3AsO39.22*HP2O7=9.25*77H3BO39.23*28HReO4-1.2530H2B4O74.0034HSCN4.0034HB4O79.0034H2SeO32.6,8.3,2.62*28Be(OH)23.74HSeO38.3277HBr-9.0031H2SeO4Strong,2.028HOBr8.728HSeO42.0034HOCl7.53,7.46
5、28,33H3SiO310.034HClO22.028H2SO31.9,7.0,1.76*28,77HClO3-1.0028H2SO4-3.0,1.928HClO4(70%)-10.0031HSO37.21*77CH3SO3H-0.631HSO4–1.99*77HCN9.4034H2S2O41.929H2CO36.37,6.35*,3.5834,32H2Se3.89*77HCO310.33*HSe–11.00*77H2CrO4-0.9830H2S7.00*77HCrO46.50*2,30HS–12.92*77HOCN3.9234HSbO2
6、11.034HZ3.17*,0.59*77H2GeO38.59,12.7234,78HTe5.0034H2Te2.64,11.034,78Ge(OH)48.68,12.728H2TeO32.7,8.028HI-10.031HOI11.028Te(OH)66.2,8.828HIO30.828H2VO4–8.9530H4IO6–6.0034HVO4=14.430H5IO61.64,1.55,8.2734,28H2CrO40.7477HMnO4-2.2530HOCN3.7377NH3OH*5.98*HSCN0.8577NHH3PO21.0777
7、4*9.24*77HNH3PO42.12*7734.72*77HNOH2S2O30.60*,1.72*7723.2928HNOH3AuO313.3,16.0783-1.328H3GaO310.32,11.778N2H5+7.99*77H5IO63.29,6.70,15.078H2N2O27.0534(seeabove!)H2N2O2–11.034H4V6O171.9678H2OsO512.134H2NSO3H1.080H2O15.7noneH3O+-1.7none*Indicatesathermodynamicvalue.Pb(OH)26
8、.48(10.92)4(78)PHOSPHATESANDPHOSPHONATESCF3-1.16,3.9357CCl3-1.63,4.8157PhosphatesNH3+CH2-2.35,5.
