Issue 12, 1997

Microconcentric Nebuliser for the Analysis of Small Sample Volumes by Inductively Coupled Plasma Mass Spectrometry

Abstract

A microconcentric nebuliser was evaluated for the analysis of small volumes of sample. An optimum set of conditions was obtained for a range of analytes by optimisation of the nebuliser gas flow rate. The technique was evaluated by accurate analysis of reference material NIES No. 5 using just 100 µl of sample. Recoveries between 95 and 106% were obtained for all the elements determined. The technique was then applied to the analysis of biological samples and to the analysis of a peptide, with multi-element analysis on less than 100 µl of sample. Acceptable reproducibility and precision were obtained for both sample types. Recoveries between 95 and 118% were obtained for the biological samples and between 72 and 104% for the peptide samples. The microconcentric nebuliser permits a significant decrease in sample volume for multi-element analysis without loss of accuracy.

Article information

Article type
Paper

J. Anal. At. Spectrom., 1997,12, 1373-1376

Microconcentric Nebuliser for the Analysis of Small Sample Volumes by Inductively Coupled Plasma Mass Spectrometry

S. D. Lofthouse, G. M. Greenway and S. C. Stephen, J. Anal. At. Spectrom., 1997, 12, 1373 DOI: 10.1039/A705047J

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