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adlaiguan

木虫 (小有名气)

[求助] 如何在分析前去除样品中含有的较多的盐类成分?

Sample Text我的样品中含有较多盐,磷酸、钠、钾、钙等,主分析成分没有紫外吸收,计划采用串联质谱测定(esi),请教各位大侠,如何除去盐类成分?
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pal2004

木虫 (正式写手)

【答案】应助回帖

★
jiangchunyong(金币+1): 谢谢 2011-09-02 16:16:40
adlaiguan(金币+1): 2011-09-04 06:50:50
一般过凝胶柱就行了,按你的分子量选择凝胶。
分子很大,也可以透析。
2楼2011-09-02 15:14:42
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novus

铁杆木虫 (著名写手)

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karl2100(金币+1): 谢谢发言! 2011-09-05 23:38:00
有些LCMS是有离子吹扫锥,可以隔离非挥发性无机盐或缓冲液进入MS检测器。
别太放肆,没什么用!
3楼2011-09-05 20:17:09
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