title: A critical examination of some newly available standards for liquid scintillation counting.
mesh_terms: D002250:Carbon Radioisotopes; D012015:Reference Standards; D012588:Scintillation Counting / Q000379:methods*; D014050:Toluene; D014316:Tritium; D014867:Water
chemical_list: D002250:Carbon Radioisotopes; D014867:Water; D014316:Tritium; D014050:Toluene