title: Scintillation counting: channels ratio and external standard channels ratio for the determination of counting efficiency in Triton X-100 based scintillants.
mesh_terms: D002250:Carbon Radioisotopes; D005069:Evaluation Studies as Topic; D007444:Inulin; D000644:Quaternary Ammonium Compounds; D012588:Scintillation Counting; D012996:Solutions; D013501:Surface-Active Agents; D014050:Toluene; D014316:Tritium; D014867:Water
chemical_list: D002250:Carbon Radioisotopes; D000644:Quaternary Ammonium Compounds; D012996:Solutions; D013501:Surface-Active Agents; D014867:Water; D014316:Tritium; D014050:Toluene; D007444:Inulin