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J Assoc Off Anal Chem ; 59(6): 1294-311, 1976 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-993185

RESUMO

FD&C Red No. 40 may contain higher or lower sulfonated subsidiary dyes, depending on the purity of intermediates used. Samples of 10 possible subsidiaries were prepared and purified. They are to serve as analytical standards to aid in the identification of unknown compounds frequently appearing during the analysis of certification samples. Visible, ultra-violet, and infrared spectra as well as absorptivites and molar extinction coefficients are given for each dye.


Assuntos
Compostos Azo , Corantes , Naftalenossulfonatos , Compostos de Anilina , Anisóis , Compostos Azo/análise , Compostos Azo/normas , Corantes/análise , Corantes/normas , Naftalenossulfonatos/análise , Naftalenossulfonatos/normas , Espectrofotometria , Espectrofotometria Infravermelho , Espectrofotometria Ultravioleta
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