Authors: Baker, S.A.; Smith, B.W.; Winefordner, J.D.

Source: Applied Spectroscopy, Volume 52, Issue 1, Pages 10A-53A and 1-169 (January 1998) , pp. 154-160(7)

Publisher: Society for Applied Spectroscopy

Abstract:

Light scattering is evaluated for normalizing signals in laser ablation inductively coupled plasma mass spectrometry. The scattering signal produced from the transported ablation aerosol is measured with a laboratory-constructed cell. The technique is used to account for variations in the ablated mass within a matrix as well as between matrices. Matrices that are studied include brass, glass, soil, and Macor ceramic. It is demonstrated that the technique is useful for normalizing analyte signals within a matrix; however, it is not as effective as the use of an internal standard in terms of the precision obtained. The utility of the technique to normalize between matrices is studied for glass, Macor , and soil. The results indicate that light scattering is useful provided that the particle sizes generated are sufficiently similar.

Keywords: LASER ABLATION ICP-MS LIGHT SCATTERING NORMALIZATI

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702981942492

Publication date: 1998-01-01

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