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[求助]
液相菜鸟求助
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这几天做液相拖尾因子相当严重 怎么处理啊 那个进样针新买的用了一次口上就有好多黑色氧化物 怎样清洗与维护 |
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7楼2012-11-13 16:38:26
2楼2012-11-02 17:05:10
3楼2012-11-02 17:06:56
【答案】应助回帖
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感谢参与，应助指数 +1
marktiger: 金币+1, 感谢参与，欢迎常来。 2012-11-05 16:31:46
感谢参与，应助指数 +1
marktiger: 金币+1, 感谢参与，欢迎常来。 2012-11-05 16:31:46
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液相拖尾因子相当严重 1. Check you concentration. See if you overload your sample. 2. Check if other impurity peaks hide in your main peak. 3. Change other columns to see any help. 4. Search literature and understand your compound's chemistry and find a better Mobile phase. 那个进样针新买的用了一次口上就有好多黑色氧化物 怎样清洗与维护 1.Check your MP. What is your pH for MP. It should be higher than 2. Don't use HCl to adjust pH. 2. Post wash your needle for every injection. After run the whole sequence, set up a wash method with a long time water wash. |
4楼2012-11-03 00:42:52
