Determination of Total Chlorine in Chrysotile by X-ray Fluorescence Spectrometry

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Abstract:

Energy-dispersive x-ray spectrometric methods have been developed for the determination of chlorine in asbestos (chrysotile) fibers. Chlorine, which is a minor constituent, is determined by a standard addition method from the ground fiber and by a standardless method in six different fibers. The lower limit of detection for a qualitative analysis and the lower limit of determination for a quantitative analysis of chlorine in the asbestos matrix are 40 ppm and 120 ppm, respectively. The water-soluble and acid-soluble chlorine have also been determined by ion-exchange chromatography and by a colorimetric method. The agreement of the three different methods is very good in all cases.

Keywords: Chlorine; X-ray fluorescence

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702944028489

Affiliations: 1: Département de Chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada 2: Département de Chimie, Université de Sherbrooke, Sherbrooke, Québec JIK 2R1, Canada

Publication date: February 1, 1994

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