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sunwen1111

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sunwen1111: ½ð±Ò+5 2013-10-13 14:38:59
Some of the compounds could be identified by NMR without the help of MS, some need MS to further assist NMR.
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sunwen1111: ½ð±Ò+5 2013-10-13 14:38:56
Some of the compounds can be determined by magnetic resonance so no mass spectrometry graphs will be printed; when MR can not determine it MS graphs are produced for further determination.
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sunwen1111: ½ð±Ò+5, ·­ÒëEPI+1 2013-10-13 14:38:47
Identity of some compounds can be determined by NMR without MS or with MS for further confirmation.
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