Determination of the surface predominance of toxic elements in airborne particles by ion microprobe mass spectrometry and auger electron spectrometry

R. W. Linton, Peter Williams, C. A. Evans, D. F S Natusch

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

Surface analytical techniques including ion microprobe mass spectrometry and Auger electron spectrometry have been used to demonstrate elemental surface predominance in coal fly ash particles. Substantiation and quantitation of the ion microprobe data were achieved by using a multitechnique approach including solvent leaching and bulk multielemental analysis using spark source mass spectrometry. Elemental surface predominance in coal fly ash is explained in terms of a volatilization-condensation mechanism. The substantial leachabilities and strongly enhanced surface region concentrations of numerous elements, including potentially toxic ones such as Pb, Tl, Mn, and Cr, indicate that coal fly ash may have a more deleterious environmental impact than is apparent solely on the basis of conventional bulk analysis.

Original languageEnglish (US)
Pages (from-to)1514-1521
Number of pages8
JournalAnalytical Chemistry
Volume49
Issue number11
StatePublished - 1977
Externally publishedYes

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Poisons
Coal Ash
Spectrometry
Mass spectrometry
Coal
Ions
Electrons
Electric sparks
Vaporization
Leaching
Environmental impact
Condensation

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Determination of the surface predominance of toxic elements in airborne particles by ion microprobe mass spectrometry and auger electron spectrometry. / Linton, R. W.; Williams, Peter; Evans, C. A.; Natusch, D. F S.

In: Analytical Chemistry, Vol. 49, No. 11, 1977, p. 1514-1521.

Research output: Contribution to journalArticle

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