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Simultaneous determination of tartrazine and sunset yellow in cosmetic products by first-derivative spectrophotometry

✍ Scribed by Luis Fermín Capitán-Vallvey; Natalia Navas Iglesias; Ignacio de Orbe Payá; Ramiro Avidad Castaneda


Publisher
Springer
Year
1997
Tongue
English
Weight
372 KB
Volume
126
Category
Article
ISSN
0026-3672

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Determination of Tartrazine and Ponceau-
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Two spectrophotometric methods have been described for determining Tartrazine and Ponceau-4R in binary mixtures. These methods permit the simultaneous determination of these food colorants in various commercially available food samples which contain saccharose and citric acid. Ratio spectra first-or