SILICEOUS SORBENTS WITH IMMOBILIZED CARBOWAX-20M AS COLUMN PACKINGS FOR LIQUID-CHROMATOGRAPHY .1. PHYSICOCHEMICAL PROPERTIES OF SILICEOUS MATERIALS WITH IMMOBILIZED CARBOWAX-20M LAYER

被引:4
作者
CHOMA, I
DAWIDOWICZ, AL
DOBROWOLSKI, R
PIKUS, S
机构
[1] Faculty of Chemistty, Maria Curie-Sklodowska University, 20-031 Lublin
来源
JOURNAL OF CHROMATOGRAPHY | 1993年 / 641卷 / 02期
关键词
D O I
10.1016/0021-9673(93)80135-U
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
For better stability the gas chromatographic stationary phase Carbowax 20M is often immobilized on different support materials. Some physico-chemical properties of siliceous supports with thermally immobilized Carbowax 20M are described. The results obtained point to the formation of acidic groups (centres) in the Carbowax layer during its immobilization procedure.
引用
收藏
页码:205 / 210
页数:6
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