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200 10$aANSI Std N42.12-1994 $eAmerican National Standard Calibration and Usage of Thallium-Activated Sodium Iodide Detector Systems for Assay of Radionuclides /$fInstitute of Electrical and Electronics Engineers
210  1$aPiscataway, New Jersey :$cIEEE,$d1995.
215   $a1 online resource (20 pages)
330   $aThis standard establishes methods for performance testing, calibration, and usage of NaI(Tl) detector systems for the measurement of gamma ray emission rates of radionuclides; the assay for radioactivity; and the determination of gamma ray energies and intensities. It covers both energy calibration and efficiency calibration.
517   $aANSI Std N42.12-1994: American National Standard Calibration and Usage of Thallium-Activated Sodium Iodide Detector Systems for Assay of Radionuclides
606   $aGamma rays$xMeasurement$xStandards
615  0$aGamma rays$xMeasurement$xStandards.
676   $a539.775
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