Separation of aromatic amines by an open-tubular capillary electrochromatography method

被引：3

作者：

Sun, Bingbing ^{[1
,2
]}

Qi, Li ^{[2
]}

Li, Yaping ^{[2
,3
]}

Qiao, Juan ^{[2
]}

Wang, Minglin ^{[1
]}

机构：

[1] Shandong Agr Univ, Coll Food Sci & Engn, Tai An, Shandong, Peoples R China

[2] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Analyt Chem Living Biosyst, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, Grad Sch, Beijing, Peoples R China

来源：

JOURNAL OF SEPARATION SCIENCE | 2013年 / 36卷 / 21-22期

关键词：

Aromatic amines; Azo dyes; Block copolymers; Open-tubular capillary electrochromatography; Surfactants; MICELLAR ELECTROKINETIC CHROMATOGRAPHY; AZO DYES; ELECTROPHORESIS; COPOLYMER; ADSORPTION; SURFACTANT; COLORANTS;

D O I：

10.1002/jssc.201300822

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new and simple open-tubular CEC (OT-CEC) method with a novel diblock copolymer poly(butyl methacrylate)(71)-block-poly(glycidyl methacrylate)(9) as the coating based on its self-assembled properties has been developed. Compared with the bare capillary, this coating could act as a surfactant and improve the separation efficiency of aromatic amines. Meanwhile, the effects of pH value, buffer concentration, and the copolymer block ratio on the separation efficiencies were investigated in detail. It has been found that the three tested aromatic amines could be baseline separated by the OT-CEC method with the cooperation of SDS. The proposed OT-CEC method showed good repeatability with RSDs <3.2% for testing the EOF. Moreover, it was also well validated by satisfactory linearity and favorable recovery, which ensured its successful application in the separation of aromatic amines in nail polish samples. The results revealed the potential applicability of the OT-CEC method in cosmetic analysis.

引用

页码：3629 / 3634

页数：6

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