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Interlaboratory and Interinstrumental Spectrochemical Precision: Comparison of dc Carbon Arc Optical Emission Spectrographic, Atomic Absorption, and X-ray Fluorescence Spectrometric Procedures

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Abstract:

A cooperative investigation has been performed to test long-term interlaboratory and interinstrumental accuracy and precision of a dc carbon arc optical emission spectrographic method for determining the common trace and minor elements in silicate rocks and minerals. Comparisons are made with determinations by atomic absorption and X-ray fluorescence spectrometric procedures to indicate agreement or bias of the analytical results, and the presence of systematic errors.

Keywords: Arc, dc; Atomic absorption spectrometry; Emission spectroscopy; X-ray fluorescence

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370276774457173

Affiliations: Geochemistry Division, Geological Survey of Israel, Jerusalem, and Negev Center for Nuclear Research, Beersheva, Israel

Publication date: May 1, 1976

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