Ion-Trap Multiple Mass Spectrometry in Pesticide Analysis.

B. Larsen
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引用次数: 12

Abstract

Liquid chromatography pultiple mass spectrometry with atmospheric pressure ionisation and ion-trap instruments is a potentially useful technique for structure elucidation of polar pestcides and their degradation products. The major drawback today is the lack of spectral libraries and our limited knowledge on collision induced dissociation processes. The present paper gives an introduction to this area of research and presents interesting examples of fragmentation pathaways for protonated and deprotonated ions obtained by atmospheric pressure chemical ionisation (APCI) and electrospray ionisation (ESI).
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离子阱多重质谱法在农药分析中的应用。
液相色谱-多重质谱联用常压电离和离子阱仪器是一种极具潜力的极性农药及其降解产物结构分析技术。目前的主要缺点是缺乏谱库和我们对碰撞诱导解离过程的有限知识。本文介绍了这一研究领域,并介绍了通过大气压化学电离(APCI)和电喷雾电离(ESI)获得的质子化和去质子化离子的裂解途径的有趣例子。
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