151Sm (T1/2=90 a) belongs to the rare earths, it has important implications in the industry, agriculture and national defence etc. The study about its influences on environment and health is also a very important object. But the content of Sm in samples i 151sm (T1 / 2 = 90 a) belongs to the rare earths, it has important implications in the industry, agriculture and national defense. The study about its influences on environment and health is also a very important object. But the content of Sm in samples i