Determination of gallium in pure aluminum by isotope dilution analysis with solvent extraction using inductively coupled plasma mass spectrometry

Akio Makishima, Isamu Inamoto, Koichi Chiba

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Isotope dilution analysis with inductively coupled plasma mass spectrometry (ICP-MS) was applied to the determination of gallium in pure aluminum. Furthermore, a solvent extraction procedure was combined with isotope dilution analysis as a preconcentration technique in order to determine ultra-trace levels of gallium with high precision. The accuracy and the precision of isotope dilution analysis using ICP-MS were compared with those of conventional standard addition analysis using ICP-MS. Isotope dilution analysis gave more accurate and precise results than did standard addition analysis. Isotope dilution analysis with solvent extraction made it possible to measure 0.029 μg/g gallium in 99.999% aluminum with analytical errors at less than 3%.

Original languageEnglish
Pages (from-to)91-95
Number of pages5
JournalApplied Spectroscopy
Volume44
Issue number1
Publication statusPublished - Jan 1990
Externally publishedYes

Fingerprint

Inductively coupled plasma mass spectrometry
solvent extraction
Gallium
inductively coupled plasma mass spectrometry
Solvent extraction
Aluminum
Isotopes
Dilution
gallium
dilution
isotopes
aluminum

ASJC Scopus subject areas

  • Spectroscopy
  • Instrumentation

Cite this

Determination of gallium in pure aluminum by isotope dilution analysis with solvent extraction using inductively coupled plasma mass spectrometry. / Makishima, Akio; Inamoto, Isamu; Chiba, Koichi.

In: Applied Spectroscopy, Vol. 44, No. 1, 01.1990, p. 91-95.

Research output: Contribution to journalArticle

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