Preparation of Geological Samples to the Simultaneous Determination of Five Alkali Elements by Flame Atomic Emission Spectrometry

A method of acid digestion is optimized for the simultaneous determination of five alkali elements in geological samples of different compositions and genesis by flame atomic emission spectrometry with multichannel spectrum registration. It provides an increase in the analytical signals and the expa...

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Bibliographic Details
Published inJournal of analytical chemistry (New York, N.Y.) Vol. 73; no. 9; pp. 869 - 876
Main Authors Shabanova, E. V., Zak, A. A., Vasil’eva, I. E.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2018
Springer Nature B.V
Subjects
Acid digestion
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Cost analysis
Emission
Geology
Scientific imaging
Spectrometry
Spectroscopy
multichannel spectrum registration
alkali elements
certified reference materials of natural media
flame atomic emission spectrometry
sample preparation
geological samples
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Summary:A method of acid digestion is optimized for the simultaneous determination of five alkali elements in geological samples of different compositions and genesis by flame atomic emission spectrometry with multichannel spectrum registration. It provides an increase in the analytical signals and the expansion of the analytical range for each determined element. The accuracy and precision of the results are validated by the analysis of natural standard samples and by the method of standard additions. The application of the proposed method of the acid digestion of powder samples reduced the cost of analysis.
ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934818090137