1.1 This test method covers the use of alpha spectrometry for determining the 238Pu isotopic abundance in plutonium samples. It is particularly useful for samples in which the 238Pu content is less than 1 % of the total plutonium
ASTM
Standard Test Method for 238Pu Isotopic Abundance by Alpha Spectrometry
STD-47103
2001
2001-02-10
3