Spectrophotometric studies on the formation of complexes of iron 3+  with some phenolic acids | Zendy

Aggarwal R. C. | Zendy; Agrawal S. P. | Zendy; Strivastava T. N. | Zendy

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Spectrophotometric studies on the formation of complexes of iron 3+ with some phenolic acids

Author(s) -

Aggarwal R. C.,

Agrawal S. P.,

Strivastava T. N.

Publication year - 1960

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19603040510

Subject(s) - chemistry , composition (language) , complex formation , stability constants of complexes , ion , nuclear chemistry , spectrophotometry , medicinal chemistry , inorganic chemistry , organic chemistry , chromatography , philosophy , linguistics

The formation of iron(III)‐complexes with some phenolic acids viz. 1‐hydroxy‐2‐naphthoic acid, sulpho‐p‐cresotic acid and acetyl‐p‐cresotic acid has been investigated spectrophotometrically by J OB 's method of continuous variation. The composition of violet coloured complex in each system was found to be 1:1. From spectrophotometric data the values of the formation constant for the 1:1 complex ions viz. (Fe‐1‐hydroxy‐2‐naphthoate) + (Fe‐sulfo‐p‐cresotate) + and (Fe‐acetyl‐p‐cresotate) + have been calculated which work out to be 1.25 · 10 2 , 1.06 · 10 2 and 4.64 · 10 2 respectively.

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