Micro chemical analysis of olivine and pyroxene in the meteorite

Details Micro chemical analysis of olivine and pyroxene in the meteorite Micro chemical analysis of olivine and pyroxene in the meteorite

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978geoch......135c&link_type=abstract

Geochimica, June 1978, p. 135-141. In Chinese, with abstract in English.

Computer Science

Chemical Analysis, Meteoritic Composition, Microanalysis, Olivine, Pyroxenes, Abundance, Calcium, Iron, Magnesium, Metal Oxides, Oxidation Resistance

Scientific paper

A decomposition technique for the simultaneous determination of SiO2, Al2O3, CaO, and MgO as well as for the continuous analysis of ferrous and total iron in the presence of O-phenanthroline hydrate is described. The determination of the six components requires only one 5 mg sample. The first four compounds are determined by colorimetric techniques after the sample is fused with alkali and then treated with acid. O-phenanthroline hydrate, added to the sample as it is decomposed in a closed container, prevents the oxidation of ferrous iron. The analytic method is recommended for the analysis of olivine and pyroxene separates from the meteorite.

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