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- W19951259 abstract "The Federal Bureau of Mines participated with the National Aeronautics and Space Administration and Martin Marietta Aerospace in developing, building, and testing a portable X-ray fluorescence spectrometer for use as an analyzer in mineral-resource investigative work. The prototype battery-powered spectrometer, measuring 11 by 12 by 5 inches and weighing only about 15 pounds, was designed specifically for field use. The spectrometer has two gas-proportional counters and two radioactive sources, (109)Cd and (55)Fe. Preliminary field and laboratory tests on rock specimens and rock pulps have demonstrated the capability of the spectrometer to detect 33 elements, to date. Characteristics of the system present some limitations, however, and further improvements are recommended." @default.
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- W19951259 date "1982-08-01" @default.
- W19951259 modified "2023-09-27" @default.
- W19951259 title "Preliminary testing of a prototype portable x-ray fluorescence spectrometer. Information circular" @default.
- W19951259 hasPublicationYear "1982" @default.
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