 Calibration of the National Institute of Standards and Technology tritiated-water standards by M. P. Unterweger and others

M. P. Unterweger and L. L. Lucas, Applied Radiation and Isotopes52(3),527–531(2000). Primary abstract indexed at pubmed.ncbi.nlm.nih.gov/10724401/ ; NIST publication record www.nist.gov/publications/calibration-national-institute-standards-and-technology-tritiated-water-standards . Verified: gas-proportional counting, liquid-scintillation intercomparisons, SRM4927 activity record over38years and measured half-life4504±9days(one standard deviation). Initial-only author header preserved.