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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
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Revista de Chimie (Rev. Chim.), Year 2016, Volume 67, Issue 1,



Mircea Ruse, Anca Angela Athanasiu, Loti Cornelia Oproiu, Catalin Filipescu

Structure - color Correlation Study in the Class of Pre-formed Acid Azo Chromium (1:1) Complex Dyes Containing the Sulfonic Group in the Diazotation Component

Abstract:

This paper aims to explain the variation of (UV-Vis) spectral parameters of pre-formed azo chromium (1:1) complex dyes, containing the sulfonic group in the diazotation component, having aryl-azo-pyrazolone and aryl-azo-naphtaline type structures, (aryl=benzene, naphtaline) versus spectral parameters of (1:1) chromium complex of azo dyes (A): 2-aminophenol-4-sulphonic acid ® acetoacetanilide and (B): 1-diazo-2-naphtol-4- sulphonic acid ® acetoacetanilide, considered as reference structures, taking into account the electronic effects (s, p) of substituents.
Keywords:
absorption spectroscopy; electronic effects

Issue: 2016, Volume 67, Issue 1
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