Critical Stability Constants: Second Supplement by Arthur E. Martell, Robert M. Smith


By Arthur E. Martell, Robert M. Smith

Over the prior twenty 5 years the fee on Equilibrium info of the Analytical department of the overseas Union of natural and utilized Chemistry has been sponsoring a noncritical compilation of steel complicated formation constants and similar equilibrium constants. This paintings was once vast in scope and led to ebook of 2 huge volumes of balance Constants by means of the Chemical Society (London). the 1st quantity, edited by way of L. G. Sillen (for inorganic ligands) and by means of A. E. Martell (for natural ligands), used to be released in 1964 and coated the literature via 1962. the second one quantity, subtitled complement No. 1, edited via L. G. Sillen and E. Hogfeldt (for inorganic ligands), and A. E. Martell and R. M. Smith (for natural ligands), was once released in 1971 and coated the literature as much as 1969. those huge compilations tried to hide all papers within the box with regards to steel complicated equilibria (heats, entropies, and unfastened energies). so much lately a noncritical compilation of natural ligands via D. D. Perrin (Pergamon Press) prolonged insurance of the literature via 1973 and an analogous quantity for inorganic ligands by means of E. Hogfeldt coated via 1974. because it was once the coverage of the fee in the course of that interval to prevent judgements in regards to the caliber and reliability of the printed paintings, th~ compilation might usually include from ten to 20 values for a unmarried equilibrium constant.

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93 ML 2 /MOH! 0 10. HL 5. 51 MHL 2/ML 2 . H 6. 99n 7. 63 ML 2 /MOHL 2 . H 10. 46 11. lS; Yo- and DL-isomers have about the same value. H DL-2-Mercaptohistidine HzL Log K zs·. H zs·. l; woptical isomerism not given. 6S zs·. 1 (10) (6) A. 426) ~H Log K Log K Log K 25". 1 25". o 25•. 5 25•. 2 M(HL) 2;M. H (1. L Bibliography: H+ 81PSK,84TS; Ag+ 81PSK,84TS; Other reference: 81PS Metal ion ~ HL ~s 25°. 1 6 NH 2 I CH 3CH 2SCH 2CHC02H c5H11o2Ns Metal ion ~ L-2-Amino-3-(ethylthio)propanoic acid (S-ethylcysteine) Log K 25•.

71 Bibliography: 85MM; Other references: 76W,84BMY AMINOCARBOXYLIC ACIDS B. 47b (1. 8) ±0. 16n (1. 9) (1. 05e 1. 40) Metal ion ~ . 11 (1. 10 (1. L 1. L 1. L 1. 88)w woptical isomerism not stated Bibliography: 81HM; Other reference: 83RV HL II. H Bibliography: HL Log K 25". L ML/M. L Log K 25 •. 44 13. H 25". S 25". L Log K 25". L Log K 25". 97) (1. L Bibliography: H+,cu 2+ 69Pa,85L; Mn 2+,Ni 2+,zn 2+ 85L; Co 2+ 8000,85L HL B. 70 4. 32 ( 1. L Log K 25°. 06 Log K 25°. 3on (1. 3)n (1. 98 ( 1. 29 .

02 (1. 8) ±0. 87 (1. 3-dihydrobenzoic acid Metal ion ~ cu 2+ Log K Equilibrium 2s•. H H+ 78T,85Sc; 2s·. S 2s·. 3 4. H HL HL A. L HL AH 25 °. 1 -1. 01 2. 42 4. 0 Bibliography: H+ CuZ+ 82KB 85CFH· Ni~+ 85CFH· ' , zn 2+ 80KBa:85CFH. 9)e -ll. 20) Metal ion ~ Log K 20". 0 Log K 25", 0 AH 25", 0 AS 25". 3 l. HL M(HL) 2~M. HL M(HL) 2/M. 1 (1. 9)b Log K 25". 03 (1. 1 Log K 25". 07 (1. 3e AS 25 •. oh 45. L 2 MHL/MLZH 3 M2L3/M3. 2 (45) A. L Log K 25°. 2lb Log K 25 °. 1. 0 Log K 25°. 0 Mt 25°. S 25°. HL 2/MHL.

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