Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Laser Induced Photoacoustic Spectrometry with Single Particle Sample
Atsushi YOSHINAGAYu-Ming HSIEHTsuguo SAWADAYohichi GOHSHI
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1989 Volume 5 Issue 2 Pages 147-149

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Abstract

LIPAS (laser induced photoacoustic spectrometry) has been adopted for quantitative analysis of a single particle.To avoid the effects of the sample form (such as particle or coarse powder) upon the intensities of strong light absorption and strong light scattering, analysis using a single particle was carried out instead of diluting with optically transparent material. A solid adsorbent particle such as XAD-2 was used, on which trace elements in solutions were adsorbed in the form of metal-oxine (oxine=8-quinolinol) complexes. Here, 0.02-20ng zinc adsorbed on one XAD-2 particle could be detected quantitatively. Moreover, combination of LIPAS with both a single particle adsorbent and enrichment technique was found to be an excellent method for quantitative analysis for trace materials.

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