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

被引：19

作者：

CapitanVallvey, LF ^{[1
]}

Iglesias, NN ^{[1
]}

Paya, ID ^{[1
]}

Castaneda, RA ^{[1
]}

机构：

[1] UNIV GRANADA, DEPT ANALYT CHEM, E-18071 GRANADA, SPAIN

来源：

MIKROCHIMICA ACTA | 1997年 / 126卷 / 1-2期

关键词：

first-derivative spectrophotometry; cosmetics; Tartrazine-Sunset Yellow mixture determination;

D O I：

10.1007/BF01242678

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A spectrophotometric method for the simultaneous determination of Tartrazine (TT) and Sunset Yellow (SY) in cosmetic products has been developed. An extraction process was carried out using methylene chloride and the colouring matters were measured in the aqueous phase formed, the other components of the sample remaining in the organic phase. The applicable concentration ranges were 0.5-10 mu g/ml TT and 0.5-12 mu g/ml SY. The detection limits were 26 and 11 ng/ml and the relative standard deviations were 1.0 and 0.9% for TT and SY, respectively. The method was applied to the determination of both compounds in cosmetics.

引用

页码：153 / 157

页数：5

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