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Efficient clustering of cyclic sulphonium salts applying liquid secondary ion mass spectrometry

机译:应用液体二次离子质谱法对环sulph盐进行高效聚类

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摘要

Salt-like cluster ions of the ([cation](n)[anion](n-1))(+) type are commonly composed of mono-atomic, inorganic components. Clusters containing organic ions are also known, with nitrogen - centred cations being particularly prominent. However, sulphur-centred analogues, such as organic sulphonium salts, represent a notable exception. Fast atom bombardment and liquid secondary ion mass spectrometry of such compounds show, in general, a low tendency towards the formation of clusters. The present study reveals that sputtering of cyclic sulphonium salts leads to the efficient formation of cluster ions beyond previous observations. Cluster ions are characterised by isotopic pattern analysis and collision-induced dissociation.
机译:([阳离子](n)[阴离子](n-1))(+)型的类盐簇离子通常由单原子的无机成分组成。包含有机离子的簇也是已知的,其中以氮为中心的阳离子尤其突出。然而,以硫为中心的类似物,例如有机sulph盐,是一个明显的例外。通常,此类化合物的快速原子轰击和液体二次离子质谱显示出形成簇的趋势较低。本研究揭示了环sulph盐的溅射导致簇离子的有效形成,超出了先前的观察范围。团簇离子的特征在于同位素模式分析和碰撞诱导解离。

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