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剪刀鱼

木虫 (小有名气)

[求助] 求助氧化铝柱层析的洗脱剂

要分一个极性很大的生物碱,大孔树脂用水冲下来的。现在想上氧化铝分离,请问用什么洗脱剂好呢?样品好像不溶于氯仿
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huaqiangliu

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【答案】应助回帖

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剪刀鱼: 金币+2, ★有帮助 2013-04-27 22:39:21
你可以把它当正向用,就和硅胶柱一样就行了,正向溶剂过就是了。你也可以把它和大孔吸附一样用的甲醇水。基本上也是一个粗分的作用。想拿到单体看运气了
2楼2013-04-27 10:20:29
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