August 10, 2020, 05:45:48 PM
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Topic: Fragment Ion Of EIPNA  (Read 105 times)

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Offline thamweijie

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Fragment Ion Of EIPNA
« on: July 18, 2020, 09:57:51 PM »
Hi, I'm trying to fragment the ion for EIPNA or NEIPA (Ethylisopropylnitrosamine) using Agilent LC QQQ MS with APCI as the ion source. From the publication I should be getting fragment ion of M/Z 75.0 and 47.0 but I keep getting the mass around 59 to 61 by auto. But when I specify it to be 75 and 47. The result came out very low And I cant seems to predict the structure formed in that mass in the chemical structure. Is any one getting this values too ? Thanks

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