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|Title:||Sequential Determination of 210Po and Uranium Radioisotopes in Drinking Water by Alpha-particle Spectrometry|
|Authors:||BENEDIK Ljudmila; VASILE Mirela; SPASOVA Yana; WAETJEN Uwe|
|Citation:||APPLIED RADIATION AND ISOTOPES vol. 67 no. 5 p. 770-775|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Procedures for the sequential determination of low level 210Po and uranium radioisotopes in drinking water by alpha-particle spectrometry are presented. After addition of 208Po and 232U tracers, the radionuclides were preconcentrated from water samples by co-precipitation on Fe(OH)3 or MnO2 at pH 9 using ammonia solution. The 210Po source was prepared by spontaneous deposition onto a copper disk either before or after uranium separation. The uranium source for alpha particle counting was prepared by micro co-precipitation with CeF3. The procedures were tested on mineral water and the results obtained are compared.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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