Journal of Research of the National Bureau of Standards, Volume 85U.S. Department of Commerce, National Bureau of Standards, 1980 |
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... ratio of the reference sample was found to be 2.38714 ± 0.00101 , yielding an atomic weight of 204.38333 +0.00018 ... ratio to yield the absolute isotopic abundance ratio of a reference sample . The atomic weight of the sample can then ...
... ratio of the reference sample was found to be 2.38714 ± 0.00101 , yielding an atomic weight of 204.38333 +0.00018 ... ratio to yield the absolute isotopic abundance ratio of a reference sample . The atomic weight of the sample can then ...
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... ratio measurements were made on two solid sample mass spectrometers . Both were nearly identical single stage 90 ° , 30 cm radius of curvature instruments equipped with a " Z " lens focusing source [ 33 ] . The collec- tor was a deep ...
... ratio measurements were made on two solid sample mass spectrometers . Both were nearly identical single stage 90 ° , 30 cm radius of curvature instruments equipped with a " Z " lens focusing source [ 33 ] . The collec- tor was a deep ...
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... ratio measure- ment . The dependency of the 205T1 / 203T1 ratio on the fila- ment temperature during the high temperature drying phase is shown in figure 1 . Thallium 205/203 Ratio 2.389 2.388 2.387 2.386 2.385 2.384 2.383 2.382 800 820 ...
... ratio measure- ment . The dependency of the 205T1 / 203T1 ratio on the fila- ment temperature during the high temperature drying phase is shown in figure 1 . Thallium 205/203 Ratio 2.389 2.388 2.387 2.386 2.385 2.384 2.383 2.382 800 820 ...
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... ratio measurement of thallium . Therefore , great care was taken to ensure that these im- purities were not present in sufficient quantity to affect the ratio measurements . Large amounts ( 1 μg ) of sodium or potassium will shift the ...
... ratio measurement of thallium . Therefore , great care was taken to ensure that these im- purities were not present in sufficient quantity to affect the ratio measurements . Large amounts ( 1 μg ) of sodium or potassium will shift the ...
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... ratio would be more easily achieved with the addition of a larger quantity of solution . Each sample was assayed as follows : Ten grams of H2SO . ( V / V , 2 + 98 ) were added to each beaker and the solutions were evaporated until fumes ...
... ratio would be more easily achieved with the addition of a larger quantity of solution . Each sample was assayed as follows : Ten grams of H2SO . ( V / V , 2 + 98 ) were added to each beaker and the solutions were evaporated until fumes ...
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acid aerosol alloy aluminum analysis analytical anode atomic atomic weight building Bureau of Standards calculated calibration calorimeter cell Chem chemical chromospheric Conf constant coulometer croconate cryogenic crystal density detector determined developed discussed dosimetry effects electrical electron energy enthalpy of solution equation error evaluation experimental factors Faraday constant figure fire incident frequency function heat hydrogen ionization isotopic J. L. Bryan Key words laboratory laser linear magnetic malononitrile mass materials measurements ment method molal molecular National Bureau NBSIR neutron observed obtained optical Order from NTIS paper parameters particle percent performance Phys physical polymer potentiostat pressure Proc procedure Publ radiation range ratio reaction sample scattering silicon smoke detectors solar Spec spectra spectroscopy structure superconducting surface suspended coil techniques Technology temperature thallium thermal tion uncertainty values voltage weight x-ray
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