Isotopic mass spectrometry of the elements
Union Carbide Corporation, Oak Ridge National Laboratory. Analytical Chemistry Division, U.S. Atomic Energy Commission
Oak Ridge National Laboratory, 1963 - Science - 81 pages
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100 Sample filament 30 mils Ionization Abundance of Isotopes bombardment Temperature range chamber and pump Comments One microgram concentrated nitric acid Conditions Isotope Atom Corrections for O17 Data decrease soon digest with concentrated distilled water drop of concen Dry sample dull-red heat 750°C dysprosium Electron bombardment Temperature filament and dry filament and partially filament and slurry filament Tantalum Filament gentle heat holmium increase filament temperature increase the filament Interference from previous Ionization Electron bombardment Ionization Thermal Temperature iridium Isotopes Compound Loading Place finely lutetium Mass Spectrometry mils Ionization Electron mils Ionization Thermal nitric acid observed ratio oxide partially digest Place finely divided praseodymium prebaking the filament Preferred Conditions Isotope produces an ion range Ion measured Rhenium rubidium Sample filament Tantalum Sample filament Tungsten Sample Loading Place sample melts slurry with distilled stable and higher Technetium temperature until sample temperature will produce terbium Thermal Temperature range thulium vacuum chamber x 30 mils ytterbium