GEOCHEMICAL JOURNAL
Online ISSN : 1880-5973
Print ISSN : 0016-7002
ISSN-L : 0016-7002
Notes
Determination of relative Faraday cup efficiency factor using  exponential law mass fractionation model for multiple collector  thermal ionization mass spectrometry
Takashi MiyazakiBogdan Stefanov VaglarovJun-Ichi Kimura
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2016 Volume 50 Issue 5 Pages 445-447

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Abstract

A new method for determining the relative Faraday cup efficiency (RFCE) for nine Faraday cups has been developed using 86Sr, 87Sr, and 88Sr isotope signals, and the exponential mass fractionation law. Ten different Faraday cup configurations, combined with a nonlinear solver calculation module in an Excel spreadsheet, allowed for accurate RFCE determination. This method serves as a useful diagnostic tool for characterizing the functionality of Faraday cups.

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© 2016 by The Geochemical Society of Japan
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