非常好用!
如果可以增加输入分子式能计算出m/z和同位素的比例就更好了
Yes, JEOL MS Calculator is completely free and it doesn't have any in-app purchases or subscriptions.
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JEOL MS Calculator is free.
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如果可以增加输入分子式能计算出m/z和同位素的比例就更好了