Development of a method to measure trace level of uranium and thorium in scintillation films

K. Ichimura, K. Chiba, Y. Gando +7

We have established a method to measure picograms-per-gram (pg g${}^{-1}$) levels of ${}^{238}$U and ${}^{232}$Th in scintillation films by combining the dry ashing method and inductivel…