Fading spectrophotometric method for the determination of raloxifene with evans blue

被引：0

作者：

Qin, ZH

Fan, L

Liu, SP ^{[1
]}

Jiang, H

机构：

[1] SW China Normal Univ, Inst Environm Chem, Chongqing 400715, Peoples R China

[2] Fuling Teachers Coll, Dept Chem, Fuling 408003, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2002年 / 30卷 / 12期

关键词：

spectrophotometric method; raloxifene; evans blue;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In sodium acetate-hydrochloric acid buffer solution at pH 1.4 similar to 2.5, raloxifene (Ralo) reacts with evans blue (EB) to form an ion-association complex, which make the EB fade. The measurement wavelength for the spectrophotometric deermination of Ralo is at 610 nm. Beer's law is obeyed in the range of 0 similar to 1.4 x 10(-5) mol/L, and the apparent molar absorptivity epsilon(610) is 1.76 x 10(4) L.mol(-1).cm(-1). The method has high sensitivity and fairly good selectivity.

引用

页码：1486 / 1489

页数：4

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