Accelerated methods of spectral analysis in the study of chemical elements distribution in sedimentary rocks
Abstract
Revealing regional geochemical regularities based on the distribution pattern of chemical elements in sedimentary rock strata can be achieved by accelerated methods of spectral analysis. However, this requires sufficient accuracy in determining the content of chemical elements in rocks and preservation of the main advantages of spectral analysis: speed, high sensitivity and simplicity. Based on the consideration of the peculiarities of rock samples and simple methods of analysis, it is advisable to use the method of line appearance in combination with a three-stage attenuator (for individual elements) and the method of stepwise attenuation technique for spectral lines by three orders of magnitude according to M. M. Clair. The M. M. Clair method, unlike other accelerated methods of analysis, simultaneously determines many elements from a single spectrum; in addition, the content can be readily estimated over a large range of determined concentrations. This makes the method promising for mass analysis of rock samples in regional studies.
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References
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