Abstract

A procedure is described for the spectrographic determination of boron in silicate materials such as soils and coal ash. The method is based on the use of a lithium fluoride-graphite buffer with germanium as internal standard. A correction for SiO band interference is made. Standardization is facilitated using boron-in-graphite standards. The precision of the method is ± 10% and the accuracy is better than 15%. The limit of detection is 10 μg g⁻¹.

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Opt. Express 26(3) 2634-2642 (2018)