Morgenstern, A Age determination of highly enriched uranium: separation and analysis of 231Pa. [electronic resource] - Analytical chemistry Nov 2002 - 5513-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0003-2700 Standard No.: 10.1021/ac0203948 doi Subjects--Topical Terms: Half-LifeProtactinium--isolation & purificationRadiation Monitoring--methodsSensitivity and SpecificityUranium--chemistry