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zhaoyxcas

捐助贵宾 (正式写手)

[求助] Al谱出不来信号一般为什么

谁知道Al谱有时出不来信号的原因
No signal was observed in the solution 27Al{1H} NMR spectrum of 4. This presumably results from extreme broadening of the signal due to coupling of the two quadrupolar aluminium nuclei (27Al: I = 5/2; 100% abundant). Similarly, no signals were observed in the 27Al{1H} NMR spectra of any of the Al-Al bonded compounds detailed below.
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zhaoyxcas

捐助贵宾 (正式写手)

版主,俺想把金币退回,不求了,行不,最近金币有点紧缺。
2楼2013-03-15 14:37:50
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