title: A pitfall in the use of polyethylene vials in liquid scintillation counting.
mesh_terms: D000576:Americium; D001464:Barium; D002247:Carbon Isotopes; D005069:Evaluation Studies as Topic; D005898:Glass; D011095:Polyethylenes; D011868:Radioisotopes / Q000032:analysis; D011883:Radium; D012588:Scintillation Counting / Q000295:instrumentation*; D013501:Surface-Active Agents; D013997:Time Factors; D014050:Toluene; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D011095:Polyethylenes; D011868:Radioisotopes; D013501:Surface-Active Agents; D014316:Tritium; D001464:Barium; D014050:Toluene; D000576:Americium; D011883:Radium