A new Certified Reference Material for radionuclides in Irish sea sediment (IAEA-385)
Résumé
A new Certified Reference Material (CRM) for radionuclides in sediment (IAEA-385) is described and the results of the certification process are presented. Eleven radionuclides (40K, 137Cs, 226Ra, 228Ra, 230Th, 232Th, 234U, 238U, 238Pu, 239+240Pu and 241Am) have been certified and information mass activities with 95% confidence intervals are given for seven other radionuclides (90Sr, 210Pb(210Po), 235U, 239Pu, 240Pu and 241Pu). Results for less frequently reported radionuclides (60Co, 99Tc, 134Cs, 155Eu, 224Ra and 239Np) and information on some activity and mass ratios are also reported. The CRM can be used for quality assurance/quality control of the analysis of radionuclides in sediment samples, for the development and validation of analytical methods and for training purposes. © 2008 IAEA.
Mots clés
Quality assurance
Quality control
Sediments
Anthropogenic radionuclides
Certified reference materials
Irish Sea
Mass activity
Natural radionuclides
Radioisotopes
americium 241
cesium 134
cesium 137
cobalt 60
europium 155
lead 210
neptunium 239
plutonium 238
plutonium 239
plutonium 240
plutonium 241
polonium
potassium 40
radioactive material
radium 226
radium 228
radon 224
strontium 90
technetium 99m
thorium 230
thorium 232
unclassified drug
uranium 234
uranium 235
uranium 238
analytic method
article
certification
environmental radioactivity
Ireland
mass
priority journal
quality control
sea
sediment
validation process