Determination of Boron in Silicate Samples by Direct Aspiration of Sample HF Solutions into ICPMS

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Abstract

A rapid and precise technique for the determination of boron content in silicate rocks was developed by employing isotope dilution inductively coupled plasma mass spectrometry with a flow injection system (FI-ID-ICPMS). The sample was decomposed with HF and mannitol, dried to remove silicon as gas, and redissolved with HF to extract boron from the fluoride residue. Ultimately, the HF solution was directly aspirated into the ICPMS. The total procedural blank was 0.08-0.36 ng. No matrix-induced mass discrimination was observed in the rock solution for dilution factors of up to 110. The present method is capable of determining 1 μg g-1 boron in a 1 mg silicate rock sample with blank correction of

Original languageEnglish
Pages (from-to)3754-3759
Number of pages6
JournalAnalytical Chemistry
Volume69
Issue number18
Publication statusPublished - Sep 15 1997

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Silicates
Boron
Rocks
Dilution
Inductively coupled plasma mass spectrometry
Mannitol
Silicon
Fluorides
Isotopes
Gases

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Determination of Boron in Silicate Samples by Direct Aspiration of Sample HF Solutions into ICPMS. / Makishima, Akio; Nakamura, Eizou; Nakano, Toshio.

In: Analytical Chemistry, Vol. 69, No. 18, 15.09.1997, p. 3754-3759.

Research output: Contribution to journalArticle

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