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Electrophoretic Studies of Biologically Important Mixed Metal -- Ascorbic Acid -- Nitrilotriacetate Complexes.
- Source :
-
Croatica Chemica Acta . Dec2011, Vol. 84 Issue 4, p461-464. 4p. - Publication Year :
- 2011
-
Abstract
- Quantitative indication of a complex formation comes from the estimation of the stability or formation constants characterizing the equilibria corresponding to the successive addition of ligands. The binary equilibria of metal (II) / (III)--ascorbic acid and also mixed equilibria metal (II) / (III)--ascorbic acid--NTA have been studied using ionophoretic technique. The stability constants of metal--ascorbic acid binary complexes are found to be 103.77, 102.47, 10 2.77 and that of metal--ascorbic acid--NTA mixed complexes have been found to be 106.05, 105.93, 105.75, for Fe(III), Cu(II) and Co(II) complexes, respectively at 25 °C and ionic strength Ic = 0.1 mol dm-3 (HClO4). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00111643
- Volume :
- 84
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Croatica Chemica Acta
- Publication Type :
- Academic Journal
- Accession number :
- 70452580
- Full Text :
- https://doi.org/10.5562/cca1778