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Improvements in experimental techniques of conventional K/Ar and Ar/Ar geochronological methods
Author(s) -
Balogh K.,
Simonits A.
Publication year - 1998
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/(sici)1097-0231(19981130)12:22<1769::aid-rcm360>3.0.co;2-7
Subject(s) - chemistry , irradiation , noble gas , analytical chemistry (journal) , argon , mass spectrometry , ion , radiochemistry , nuclear physics , chromatography , physics , organic chemistry
The performance of a noble gas mass spectrometer used for K/Ar–Ar/Ar dating has been improved in three ways. The background has been decreased by surrounding the ion source with a cylinder of St707 NEG strip. A simple method has been found for rotating the sample during irradiation in the nuclear reactor. Finally, a furnace that does not require the use of an additional vacuum system has been constructed for degassing the irradiated samples. © 1998 John Wiley & Sons, Ltd.