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kuloxbin

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kuloxbin

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2楼2011-09-13 10:04:44
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cucupig

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楼主是什么堵的?
如果是流动相里的盐析出堵了,柱压显著升高。那么设定一个低流速,比如0.1ml/min,高比例水相,比如水:甲醇=90:10,冲过夜,第二天看柱压是否有下降,如果不下降,可以考虑反冲。
如果是做过生物样品,比如血浆蛋白把柱子堵了,反冲效果会好些。
还可以用20%异丙醇,低流速冲洗系统,但是假如您柱子柱压很高,用异丙醇就比较困难,容易把柱头固定相冲塌。
3楼2011-09-14 16:54:10
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