title: Comparison of liquid scintillation mixtures for the assay of nickel-63 in aqueous medium.
mesh_terms: D000873:Anthracenes; D008722:Methods; D009532:Nickel / Q000032:analysis*; D011868:Radioisotopes / Q000032:analysis*; D011874:Radiometry; D012588:Scintillation Counting; D013696:Temperature
chemical_list: D000873:Anthracenes; D011868:Radioisotopes; D009532:Nickel