Borai, E H Separation and subsequent determination of low radioactivity levels of radium by extraction scintillation. [electronic resource] - Journal of hazardous materials Aug 2008 - 123-8 p. digital Publication Type: Journal Article ISSN: 0304-3894 Standard No.: 10.1016/j.jhazmat.2007.12.004 doi Subjects--Topical Terms: Radium--analysisScintillation Counting--methodsSolvents