Raman study of phosphate dimerization in aqueous KH 2 PO 4  solutions using a self‐deconvolution method | Zendy

Rull F. | Zendy; Del Valle A. | Zendy; Sobron F. | Zendy; Veintemillas S. | Zendy

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Raman study of phosphate dimerization in aqueous KH 2 PO 4 solutions using a self‐deconvolution method

Author(s) -

Rull F.,

Del Valle A.,

Sobron F.,

Veintemillas S.

Publication year - 1989

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250200913

Subject(s) - raman spectroscopy , aqueous solution , chemistry , deconvolution , fourier transform , dimer , analytical chemistry (journal) , phosphate , fourier transform infrared spectroscopy , inorganic chemistry , chromatography , optics , physics , organic chemistry , quantum mechanics

A Raman spectroscopic study of aqueous solutions of KH 2 PO 4 as a function of concentration and temperature has been made. Attention is focused on the analysis of the bands arising from the internal modes of the H 2 PO 4 − anions. The band profile of these internal modes has been analysed by a Fourier transform self‐deconvolution method which allowed quantitative information about phosphate dimerization to be obtained. The results seem to indicate the existence of two different configurations for the dimers. The association constant for each dimer and their thermodynamic parameters were obtained from the spectroscopic data.

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