A certified reference material for radionuclides in the water sample from Irish Sea (IAEA-443)

Pham, M.K., Betti, M., Povinec, P.P., Benmansour, M., Bünger, V., Drefvelin, J., Engeler, C., Flemal, J.M., Gascó, C., Guillevic, J., Gurriaran, R., Groening, M., Happel, J.D., Herrmann, J., Klemola, S., Kloster, M., Kanisch, G., Leonard, K., Long, S., Nielsen, S., Oh, J.-S., Rieth, P.U., Östergren, I., Pettersson, H., Pinhao, N., Pujol, L., Sato, K., Schikowski, J., Varga, Z., Vartti, V.P. and Zheng, J. (2011) A certified reference material for radionuclides in the water sample from Irish Sea (IAEA-443). Journal of Radioanalytical and Nuclear Chemistry, 288 (2), 603-611. (doi:10.1007/s10967-010-0976-8).

Abstract

A new certified reference material (CRM) for radionuclides in sea water from the Irish sea (IAEA-443) is described and the results of the certification process are presented. Ten radionuclides (3H, 40K, 90Sr, 137Cs, 234U, 235U, 238U, 238Pu, 239?240Pu and 241Am) have been certified, and information values on massic activities with 95% confidence intervals are given for four radionuclides (230Th, 232Th, 239Pu and 240Pu). Results for less frequently reported radionuclides (99Tc, 228Th, 237Np and 241Pu) are also reported. The CRM can be used for quality assurance/quality control of the analysis of radionuclides in water samples, for the development and validation of analytical methods and for training purposes. The material is available in 5 L units from IAEA (http://nucleus.iaea.org/rpst/index.htm).

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