Determination of Boron in Silicate Geological Material by an Emission Spectrographic Method
Abstract:A spectrographic method has been developed to determine boron in silicate geological materials. Its basis is the use of a mixture (97.3%:2.0%:0.7%) of graphite, gallium oxide, and germanium dioxide as internal standard, and the use of the 249.677 nm line to avoid interference of the SiO band. Standards were prepared by diluting 1:1 the synthetic glass VS-N (ANRT) with a synthetic silicate matrix. The precision of the method is 4.7%; we tested the accuracy by analyzing one geological, international standard, which demonstrated good agreement between the standard and this technique. A new figure of glauconite GL-O boron content is given. Minimum detectable concentration is 11 μg/g B in rock sample.
Document Type: Research Article
Publication date: July 1, 1984
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