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Author:
Journal / Book Title:
Year:
Volume:
Issue:
gui jiao zhu de hua xue zai sheng
Author(s):
xiong
Pages:
64
Year:
1980
Issue:
7
Journal:
Chemistry
Keyword:
高效液相色谱
;
二甲氧基丙烷
;
硅胶柱
;
硅胶脱水
;
催化剂
;
再生方法
;
主要原因
;
流动相
;
溶剂
;
化学再生
;
Abstract:
<正> 水的吸附是硅胶失去活性的主要原因之一。常用的活化办法并不适合高效液相色谱使用,微粒硅胶的再生一般需要用大量的溶剂才能保持柱效不显著下降,而且十分费时。最近文献报道,用2,2-二甲氧基丙烷以酸作催化剂使硅胶脱水的方法,其反应如下:
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System Exception
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