Influence of metal ions on the acquisition and quality of  252 Cf plasma‐desorption mass spectra | Zendy

Deprun Claude | Zendy; Szabó Ladislas | Zendy

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Influence of metal ions on the acquisition and quality of 252 Cf plasma‐desorption mass spectra

Author(s) -

Deprun Claude,

Szabó Ladislas

Publication year - 1989

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.1290030602

Subject(s) - chemistry , ion , mass spectrum , glycolipid , desorption , analytical chemistry (journal) , plasma , mass spectrometry , spectral line , chromatography , adsorption , biochemistry , organic chemistry , quantum mechanics , astronomy , physics

The presence of a few mol per cent of Ca 2+ ions considerably modified the 252 Cf plasma‐desorption mass spectrum of a phosphorylated glycolipid. In the negative‐ion mode, increasing amounts of Ca 2+ caused gradual disappearance of the spectrum; it was quenched at the molar ratio 3 Ca 2+ /4 glycolipid. Clusters as big as 5500 were observed at certain ratios of Ca 2+ /glycolipid. Similar, but less pronounced effects were seen in the positive‐ion mode.

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