The half life of Hafnium isotope 182Hf is very important for astro-physics because the occurrence time of some events in the formation of the solar system and the earth can be measured with 182Hf -182W system. The hal...
the National Natural Science Foundation of China (No.199750055), and by the ChineseAcademy of Sciences
A radiochemical procedure used to separate and purify trace concentration thorium produced in heavy ion reaction with uranium targets is presented. The procedure can rapidly yield thorium fraction suitable for gamma-r...