Simultaneous determination of two synthetic dyes erytrosine and sunset yellow in a pharmaceutical syrup by first derivative visible spectrophotometry

被引:11
作者
Joseph-Charles, J [1 ]
Langlois, MH [1 ]
Montagut, M [1 ]
Boyer, C [1 ]
Dubost, JP [1 ]
机构
[1] Chim Analyt Lab, F-33076 Bordeaux, France
关键词
derivative spectrophotometry; erytrosine; sunset yellow; simultaneous determination; pharmaceutical analysis;
D O I
10.1080/00032710008543144
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A rapid first derivative spectrophotometric method for simultaneous determination of two synthetic dyes, erytrosine (E 127) and sunset yellow (E 110), in a mixture is proposed. The procedure does not require any separation step. The method was applied for determining the two compounds in a pharmaceutical syrup. Good linearity, accuracy, precision and selectivity were found, and the method is proposed for routine quality control purposes.
引用
收藏
页码:1567 / 1575
页数:9
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