MICELLAR ELECTROKINETIC CHROMATOGRAPHY USING HIGH-MOLECULAR SURFACTANTS - USE OF BUTYL ACRYLATE BUTYL METHACRYLATE METHACRYLIC-ACID COPOLYMERS SODIUM-SALTS AS PSEUDO-STATIONARY PHASES

被引：79

作者：

OZAKI, H

TERABE, S

ICHIHARA, A

机构：

[1] DAIICHI KOGYO SEIYAKI CO LTD,SHIMOGYO KU,KYOTO 600,JAPAN

[2] KANEKA TECHNO RES CO LTD,HYOGO KU,KOBE 652,JAPAN

来源：

JOURNAL OF CHROMATOGRAPHY A | 1994年 / 680卷 / 01期

关键词：

D O I：

10.1016/0021-9673(94)80059-6

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Butyl acrylate-butyl methacrylate-methacrylic acid copolymers sodium salts (BBMA), high-molecular surfactants (M(r) approximate to 40 000), were utilized in micellar electrokinetic chromatography. Non-ionic test solutes were successfully separated with a 2% BBMA solution in a borate-phosphate buffer (pH 8.0). BBMA showed significantly different selectivity for naphthalene derivatives in comparison with sodium dodecyl sulfate. The capacity factors were proportional to the concentration of BBMA, and the critical micelle concentration was found to be substantially close to zero, suggesting that one BBMA molecule forms one micelle. Effects of the pH, the composition and the molecular mass of BBMA were studied.

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页码：117 / 123

页数：7

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