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gui jiao zhu de hua xue zai sheng
Author(s): 
Pages: 64
Year: 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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