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Applications of tandem quadrupole mass spectrometry in SIMS

✍ Scribed by G. J. Leggett; J. C. Vickerman; D. Briggs

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
461 KB
Volume
16
Category
Article
ISSN
0142-2421

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✦ Synopsis

Abstract

Tandem SIMS studies have been carried out for three polymersβ€”PET, PTFE and LDPE. A variety of collision target gases has been compared and their effectiveness in the construction of fragmentation patterns is considered. For PTFE clusters, xenon provided the most extensive fragmentation patterns, whilst for LPDE clusters, oxygen was preferred. Oxygen and sulphur hexafluoride proved quite reactive when employed with PTFE cluster ions. Using daughter ion and neutral loss data, extensive fragmentation patterns could be constructed.

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