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鸢尾123

新虫 (小有名气)

引用回帖:
9楼: Originally posted by wyy080214 at 2014-06-06 09:41:44
清洗柱前筛板,有预柱更好,更换预柱。
如果水溶性蛋白,那么用较高水相和温度长时间冲洗。
最后的办法就是反冲
上述还不行,建议换色谱柱

我们进样时都会加预柱。反冲了没有效果,现在0.75的流速正向走甲醇时,柱压有1500psi(菲罗门短柱)

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11楼2014-06-07 19:13:00
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鸢尾123

新虫 (小有名气)

引用回帖:
7楼: Originally posted by daisyzhangwei at 2014-06-05 14:10:24
也可以调样品的pH值试试溶解性...

加酸加减都不行,但是在七十度的热水中,tris_hcl能稍微溶解一部分。所以想请问您一下,tris溶解在怡宝水里,用盐酸调节ph到7.4,调上一个小时后,会生成什么东西呢

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12楼2014-06-07 19:18:33
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