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zxhappy

至尊木虫 (职业作家)

[求助] 硅胶色谱柱用什么进行冲柱? 已有1人参与

硅胶色谱柱试用前用什么流动相进行冲柱,异丙醇,二氯甲烷行不?比例多少,知道的说下,O(∩_∩)O谢谢
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642901219

新虫 (小有名气)

二氯 甲醇20:1:10:15:11:1

发自小木虫Android客户端
2楼2016-05-06 09:00:05
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上海波粒

铜虫 (正式写手)


【答案】应助回帖

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感谢参与,应助指数 +1
zxhappy: 金币+5, ★★★很有帮助, thank you very much 2016-05-06 14:08:35
最好正己烷 100%正己烷或者加点异丙醇都可以,二氯甲烷也行,少用点,
3楼2016-05-06 13:47:24
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柳絮虫

新虫 (职业作家)

甲醇,异丙醇都少用,基本的样品极性不能太大,需要认真做好前处理。一般洗柱子,二氯甲烷也够了,也可适当加入少量甲醇,但是,保存溶剂最好还是二氯甲烷-正己烷
4楼2016-05-06 15:39:31
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