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kiloqk

银虫 (正式写手)

[求助] 液质母离子

皂苷类成分母离子不出分,怎么做?
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85773627

金虫 (初入文坛)

【答案】应助回帖

感谢参与,应助指数 +1
有Full scan 的图谱么?
请确认是否能找到
1.  [M+2H] 峰
2.  母离子2级质谱的 子离子峰?
3.  negative ion峰
4.  确定你化合物信息是WM还是FW
2楼2012-05-18 12:46:55
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眸中流逝

铜虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
一些皂苷分析易碎,一级的时候如果DP电压大一点的话肯呢过分子就会碎掉,现在我手上也在做一个,比较麻烦~
3楼2012-05-18 13:02:46
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