The Half-Life of Lanthanum-140
- 1 March 1954
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 93 (5) , 1051-1052
- https://doi.org/10.1103/physrev.93.1051
Abstract
Carrier-free lanthanum-140 was separated from barium-140 by a double barium nitrate precipitation from 80 percent nitric acid, using inert barium carrier. The half-life, determined by beta counting, was found to be 40.224±0.020 hours over a period of 574 hours.Keywords
This publication has 3 references indexed in Scilit:
- Fractionation of Barium-Radium Mixtures as ChromatesAnalytical Chemistry, 1953
- Measurement of Some Weak-Ray IntensitiesPhysical Review B, 1950
- Radioactive Isotopes of LanthanumPhysical Review B, 1943