Computer Science – Performance
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....8710781d&link_type=abstract
Journal of Geophysical Research, vol. 87, Dec. 10, 1982, p. 10781-10788.
Computer Science
Performance
Electrophoresis, Fractionation, Lunar Soil, Minerals, Lunar Composition, Lunar Geology, Microgravity Applications, Performance Tests, Space Commercialization
Scientific paper
The fractionation of fine-grained aggregates into their major components is a problem in many scientific areas including earth and planetary science. Electrophoresis, the transport of electrically charged particles, immersed in a suspension medium, by a direct current field (Bier, 1959), was employed in this study as a means of separating simulated lunar soil into its constituent minerals. In these tests, conducted in a static analytical cylindrical microelectrophoresis apparatus, samples of simulated lunar soil and samples of pure mineral constituents were placed in the chamber; the electrophoretic mobilities of the lunar soil and the individual mineral constituents were measured. In most of the suspension buffers employed separability was indicated, on the basis of differences in mobility, for all the constituent mineral species except ilmenite and pyroxene, which were not efficiently separable in any of the buffers. Although only a few suspension media were employed, the success of this initial study suggests that electrophoresis may be an important mineral fractionation option in fine-grained aggregate processing.
Dunning D. J.
Herren B. J.
Snyder Robert S.
Tipps R. W.
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