Computer Science
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989geokh.....1005k&link_type=abstract
Geokhimiia (ISSN 0016-7525), July 1989, p. 1005-1010. In Russian.
Computer Science
Lunar Soil, Neutron Activation Analysis, Radiochemistry, Regolith, Abundance, Agglutination, Lunik 16 Lunar Probe, Neutron Irradiation, Solid Phases
Scientific paper
Phase distributions of 31 elements in the 450-900-micron fraction of agglutinates from the Luna-16 regolith were investigated using neutron-irradiated samples subjected to sequential treatments with the following solvents: H2O, 0.05 M EDTA (pH 9), 0.01 M CuCl2 + 0.03 M NH4Cl + 0.03 M H3-cit (pH 4), bromine water, 0.2 M HCl, and 0.2 HF; the residue was dissolved in hydrofluoric and nitric acids. It was found that, in general, the agglutinates were more soluble than the bulk Luna-16 regolith (the below-83-micron fraction). In particular, the silicate component of the 450-900-micron fraction was more soluble in the majority of these solvents than was the 83-micron fraction.
Kuznetsov A. R.
Stiuf V. I.
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