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Title: Reactions in micellar solutions: Part 61-complexing of iron(III) by salicylate and some salicylatopentaminecoba1t(III) ions in aqueous sodium dodecyl sulphate and triton-X 100 media
Authors: Dash, Anadi C
Mohanty, Anil K
Issue Date: Oct-1989
Publisher: NISCAIR-CSIR, India
Abstract: The complexing equilibria of the reaction of salicylic acid and salicylatopentaminecobalt(III) ions, N5COSalH2+ {N5 = (en)2(NH3) (triethylene tetrarnine) (NH3), and tetraethylenepentamine} with Fe(III) have been investigated in micellar media using sodium dodecyl sulphate and Triton-X 100. Both the micelles exert control over the equilibria, by electrostatic and hydrophobic interaction effects; these effects are, however, relatively more significant in the presence of SDS. The relevant equilibrium constants are reported at 28 ± 1°C. Data analysis shows that salicylic acid has a strong propensity to partition into the interior surface of the micelles. Unlike for FeSal+ and N5COSalH2+, the molar extinction coefficients of N5COSalFe4+ at the experimental wavelength (520 nm) are strongly sensitive to the mi-cellar media.
Page(s): 868-873
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.28A(10) [October 1989]

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