147Sm/152Sm:0.56172，U=0.090%;

148Sm/152Sm:0.42131，U=0.092%;

149Sm/152Sm:0.51758，U=0.092%;

150Sm/152Sm:0.27571，U=0.112%;

154Sm/152Sm:0.84990，U=0.088%;