Relative Sensitivity Factors of Elements Contained in Graphite-Sample Pressde Electrodes for Spark-Source Mass Spectrometry

FUMIYAI KONISH

doi:10.5702/massspec1953.18.878

FUMIYAI KONISH

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1970 Volume 18 Issue 1 Pages 878-886

DOI https://doi.org/10.5702/massspec1953.18.878

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Published: March 01, 1970 Received: January 24, 1970 Available on J-STAGE: June 28, 2010 Accepted: - Advance online publication: - Revised: -
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Abstract

The relative sensitivity factors of elements contained in the graphite-sample electrodes have been investigated by using samples containing one or several halides, oxides, carbonates, ammonium salts and others, to improve the quantitative accuracy of trace impurity determination in inorganic compounds by source mass spectrography. Correction was made for the linewidth variation and the mass de pendency of emulsion sensitivity. It has been found that, generally speaking, alkalis, alkali earths and III B group elements are among the most sensitive, while halogens are among the least sensitive. We examined the correlation between the relative sensitivity factors experimentally obtained and physicochemical constants of elements. It has been found that the relative sensitivi ty factor may calculated as the ratio of the product of the ionization potential squared and the bond energy of the element in question in a compound to that of the standard element.

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