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bqshanqi

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[求助] 请问多酸解析时,有太多负电荷该怎么办?

请问:解析多酸晶体时,大致骨架解出来,但写分子式时负电荷特别多,该用什么来平衡电荷呢?
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bqshanqi

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7楼: Originally posted by yytsnake at 2012-07-23 13:25:31
如果有Na+,一定会有较大的残留Q峰存在。...

Q峰并不大,但是电荷不平,负电荷太多了,我不知道应该用什么来平衡电荷?
8楼2012-07-23 14:08:26
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yytsnake

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【答案】应助回帖

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linhua0402313: 金币+1, 恩,感谢回帖交流,不过最好详细一点 2012-07-23 10:01:18
如果体系是酸性的话,可以加H来平衡。
2楼2012-07-23 09:29:26
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wfmlover

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【答案】应助回帖

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linhua0402313: 金币+1, 恩,感谢回帖交流,欢迎常来晶体板块 2012-07-23 10:01:44
Li, Na, K, Rb, Cs
depends on what kind of counter ions you used in your precursors

It is not artificially to choose a certain kind of cations to "make" the charge balanced.  That's cheating.

Say it again, you got to do elemental analysis to determine the counter ions

Some groups manipulate the elemental analysis data, as far as I knew.
3楼2012-07-23 09:38:43
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bqshanqi

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2楼: Originally posted by yytsnake at 2012-07-23 09:29:26
如果体系是酸性的话,可以加H来平衡。

体系是中性的,能有9个质子化得氢吗?
4楼2012-07-23 09:39:06
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