The new express method of the direct spectrochemical analysis of solid materials is proposed on the basis of laser ablation of a sample in deionized water with on-line transportation of a suspension in analytical volume of inductively-coupled plasma of optical emission spectrometer. In result, all instrumentation and methodical advantages of the standard equipment in a combination with calibration procedure by standard water solutions are provided.
Optical diagnostics of laser ablation plasma has provided the opportunity to realize calibration-free analyses of solid and
liquid materials. In general, this variant of optical emission spectroscopy of pulsed plasma allows the matrix effects to be
overcome, yielding satisfactorily precise and accurate quantitative results on elemental composition of materials without
using calibration curves, certified reference materials, and internal standards. Such analysis for solids is very close to be
nondestructive due to the minimum possible ablated mass, a feature which is very important in many applications,
especially for unique museum exhibits and jeweler samples. In this paper, the use of the method for the analysis of
elements mainly in metallic alloys, glass samples, and archaeological findings is demonstrated. The results presented
confirm the suitability of the approach for routine applications of our instrumentation, while at the same time simplifying
the overall analytical procedure.
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