Microwave-immobilized polybutadiene stationary phase for reversed-phase high-performance liquid chromatography

被引：12
|
作者：
Lopes, NP [1 ]
Collins, KE [1 ]
Jardim, ICSF [1 ]
机构：
[1] Univ Estadual Campinas, Inst Quim, LABCROM, Lab Pesquisas & Cromatol Liquida, BR-13084971 Campinas, SP, Brazil
来源：
JOURNAL OF CHROMATOGRAPHY A | 2004年 / 1030卷 / 1-2期
关键词：
stationary phases; LC; polybutadiene-silica stationary phases; microwave-assisted immobilization;
D O I：
10.1016/j.chroma.2003.09.029
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Polybutadiene (PBD) has been immobilized on high-performance liquid chromatography (HPLC) silica by microwave radiation at various power levels (52-663 W) and actuation times (3-60 min). Columns prepared from these reversed-phase HPLC materials, as well as from similar non-irradiated materials, were tested with standard sample mixtures and characterized by elemental analysis (%C) and infrared spectroscopy. A microwave irradiation of 20 min at 663 W gives a layer of immobilized PBD that presented good performance. Longer irradiation times give thicker immobilized layers having less favorable chromatographic properties. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：225 / 229
页数：5
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