s****n 发帖数: 147 | 1 I got some mass spectra, some MS of fragments have 46, 30, 16 difference.
Please some advice, what is fragments are possible difference: 46: COOH?
30: CH3CH2?, 16: O?
Thanks a lot | s****n 发帖数: 147 | 2 30 possible -CH2NH2
difference.
COOH?
【在 s****n 的大作中提到】 : I got some mass spectra, some MS of fragments have 46, 30, 16 difference. : Please some advice, what is fragments are possible difference: 46: COOH? : 30: CH3CH2?, 16: O? : Thanks a lot
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