NF M60-421:2000 Nuclear energy - Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and dilution analysis by solvent chromatography.
2015NF M60-421-1:2015 Nuclear fuel technology - Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography - Part 1 : samples containing plutonium in the microgram rang
2000NF M60-421:2000 Nuclear energy - Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and dilution analysis by solvent chromatography.