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baby净心

新虫 (小有名气)

引用回帖:
10楼: Originally posted by lifucheng at 2014-07-05 14:20:39
是有点、但冲干净就可以了。
...

你都是怎么冲的啊,刚接触,啥都不懂。。。
11楼2014-07-05 20:56:26
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lifucheng

专家顾问 (知名作家)

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baby净心(费姚永芬代发): 金币+3 2014-07-09 10:13:43
引用回帖:
11楼: Originally posted by baby净心 at 2014-07-05 20:56:26
你都是怎么冲的啊,刚接触,啥都不懂。。。...

比如您用的流动相是乙腈-0.02m pH5.1的磷酸二氢钾(60::40),就用乙腈-水(60::40)0.6ml/min冲50分钟 再换用纯甲醇之类的冲 氨基柱本来就容易坏 一般寿命也就半年左右
12楼2014-07-05 21:01:40
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xiaofei_lu

木虫 (小有名气)

【答案】应助回帖

引用回帖:
9楼: Originally posted by baby净心 at 2014-07-05 10:12:46
210nm,那时候PH是多少啊...

pH3.5到7.5都做过,我的氨基柱子pH范围是2-8
欢迎关注我的微信公众号AnalyticalChem专业的分析化学、色谱质谱知识平台
13楼2014-07-05 23:43:24
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