A Methodological Approach to the Analysis of Rocks and Meteorites by Inductively Coupled Plasma Atomic Emission Spectrometry

Resumo

The capabilities of the ICAP-6500 Duo high-resolution echelle spectrometer (Thermo Scientific) for the elemental analysis of geochemical materials and extraterrestrial matter have been investigated. The features of the determination of elements in chondritic meteorites are studied, and appropriate procedures, including sample preparation, are developed. Main (including phosphorus and sulfur) and impurity elements are determined in four fragments of chondritic meteorites: Kainsaz, Zhovtnevyi Khutor, Saratov, and Allende. The data are compared with the average concentration of elements in ordinary chondrites. The composition of the available sample of the Allende chondritic meteorite is characterized for using it as an intralaboratory reference sample.