X-Ray Fluorescence Determination of Barium and Strontium in Geologic Samples

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It is possible to accurately determine barium and strontium in a variety of geologic samples by the XRF method proposed herein after correcting for matrix effects. The first-order (I) titanium Kα1 line interferes spectrally with the barium first-order (I) Lα1 analytical line. Iron significantly absorbs the emitted strontium x-ray quanta. Both of these effects were investigated in detail and a method of correcting for them developed: Detection limit for both elements is about 10 ppm.

Keywords: Analytical method; Determination of barium and strontium in geologic samples; X-ray emission

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370271779949131

Affiliations: United States Geological Survey, Menlo Park, California 94025

Publication date: May 1, 1971

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