Physics
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974lssf.nasa..269s&link_type=abstract
"In its Lunar Soil from the Sea of Fertility (NASA-TT-F-15881) p 269-276 (SEE N75-11814 02-91) Transl. into ENGLISH from the bo
Physics
Anions, Emission Spectra, Lunar Soil, Thermophysical Properties, Beryllium, Boron, Fluorine, Geochemistry, Lunar Surface, Lunik 16 Lunar Probe, Phosphorus, Sulfur
Scientific paper
Processes occurring in the arc discharge and in the plasma jet were used for direct spectral determination of the following anions: Phosphorus, sulfur, fluorine as well as beryllium and boron in lunar surface material. The excitation source was a plasmotron with consumable electrodes. The plasma forming gas was helium. The weighed sample for a single determination was 10 mg. The detectability was: P -- 2.5X0.001, S -- 5.0x0.01, F -- 2.5x0.001, Be -- 5.0x0.00001, and B -- 2.5x0.0001. The coefficient of variation for a single determination of phosphorus, sulfur, fluorine, beryllium, and boron was 5 to 10 percent.
Andreyeva T. P.
Karyakin A. V.
Savinova Y. N.
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