高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (6): 856.

• 论文 • 上一篇    下一篇

水和非水介质毛细管电泳分离吩噻嗪

卢小宁, 王荣英, 吴明嘉   

  1. 中国科学院长春应用化学研究所, 国家光谱和电化学研究分析中心, 长春 130022
  • 收稿日期:1998-10-19 出版日期:1999-06-24 发布日期:1999-06-24
  • 通讯作者: 吴明嘉
  • 作者简介:卢小宁,男,25岁,硕士研究生.
  • 基金资助:

    中国科学院长春应用化学研究所电分析化学开放研究实验室资助

Separation of Phenothiazines Using Aqueous and Nonaqueous Capillary Electrophoresis

LU Xiao-Ning, WANG Rong-Ying, WU Ming-Jia   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022
  • Received:1998-10-19 Online:1999-06-24 Published:1999-06-24

摘要: 以水和甲酰胺(FA)为介质,用毛细管电泳分离吩噻嗪类药物,比较了两者的选择性、柱效和分离度.与水相比,FA中选择性不同,有利于分离,被分析的物质均获得了较高的分离度;柱效显著提高,都在1×105以上,表明FA是一种良好的分离介质.

关键词: 毛细管电泳, 非水介质, 甲酰胺, 吩噻嗪

Abstract: Separations of phenothiazines, promethazine(PZ), dioxypromethazine(OZ), chlorpromazine(CZ), trifluoperazine(TfZ) and thioridazine(TZ) by capillary electrophoresis in water and FA media were carried out and compared. Thus different selectivity and resolution were observed as media varying from water to FA. Migration order was PZ, OZ, CZ and TZ in water but (TZ+PZ), CZ and OZ in FA, when the same buffer, 25 mmol/L Tris and 25 mmol/Lcitric acid, was used. It also has been observed that pH has great effect on selectivity both in water and FA and a possible explanation was given. Separation efficiency was higher in FAmedia than in water because of the permission of high voltage applied. For all separations in FA 30kV was applied, and when 25mmol/L Tris was used as buffer, current was only 20 A and complete separation of TZ, CZ, PZ and OZ was achieved with effencicy higher than 3.5×105theoretical plates for all analytes. The high performance of capillary electrophoresis in FA suggests that FAis an exc.

Key words: Capillary electrophoresis, Nonaqueous media, FA, Phenothiazinesellent media separation

中图分类号: 

TrendMD: