The mass spectrum of mercury/cesium complex clusters (Hg)  n   Cs +  ranging up to  m / z  = 118 000 | Zendy

Sakurai T. | Zendy; Ito H. | Zendy; Matsuo T. | Zendy; Katakuse I. | Zendy; Costello C. E. | Zendy

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The mass spectrum of mercury/cesium complex clusters (Hg) n Cs + ranging up to m / z = 118 000

Author(s) -

Sakurai T.,

Ito H.,

Matsuo T.,

Katakuse I.,

Costello C. E.

Publication year - 1991

Publication title -

rapid communications in mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 136

eISSN - 1097-0231

pISSN - 0951-4198

DOI - 10.1002/rcm.1290051003

Subject(s) - chemistry , caesium , mass spectrum , cluster (spacecraft) , mercury (programming language) , metastability , atomic physics , ion , mass spectrometry , analytical chemistry (journal) , alkali metal , ionization , physics , inorganic chemistry , organic chemistry , chromatography , computer science , programming language

The mass spectrum of mercury/cesium complex clusters (Hg) n Cs + is observed up to m / z =118 000 (n = 590). Singly charged clusters are produced by Cs + ion bombardment. The presence of an alkali metal in the ionization process yields cluster ions of the form (Hg) n X + . The clusters are analysed using the grand‐scale mass spectrometer, GEMMY, at Osaka University. The mass resolution of the instrument is high enough to resolve each cluster up to m / z =70 000. From the pattern of cluster distribution, the structrues of the large clusters can be studied. The number of Hg groups in metastable decay increases with the cluster size n . The ion intensities of the mercury/cesium clusters are much stronger than that from CsI (used for mass calibration). The mass spectrum of the clusters can therefore easily be utilized for direct mass calibration up to m / z =70 000.

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