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Gas chromatographic determination of arsenic in low concentrations in inorganic materials

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Summary

A method is described for the quantitative chlorination and extraction of arsenic as arsenic trichloride from a number of alloys. The conditions for the quantitative gas chromatographic measurement of the volatile chloride have been studied. The proposed method for inorganic materials is very fast giving results within 10 min; sensitive, 1.5·10−13 g As can be detected, simple and accurate. At the ng level of As the error is about 20% with a standard deviation less than 20%, and at the 10pg level the error is about 36% with a standard deviation of 44%.

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Authors and Affiliations

  1. Inorganic and Analytical Chemistry Labs., National Technical University of Athens, 42 Patission Ave., (147), Athens, Greece

    B. Iatridis & Ph. Vroyzi

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  1. B. Iatridis
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  2. Ph. Vroyzi
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Iatridis, B., Vroyzi, P. Gas chromatographic determination of arsenic in low concentrations in inorganic materials. Chromatographia 15, 30–32 (1982). https://doi.org/10.1007/BF02269036

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  • DOI: https://doi.org/10.1007/BF02269036

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