DETERMINATION OF PPB LEVEL Gd,Sm,Dy AND Eu IN UF_6 OR U_3O_ BY CATION IONEXCHANGE SEPARATION-HORIZONTAL ICP-AES METHOD

• 阳离子交换分离-水平式ICP-AES法测定UF_8或U_3O_8中PPb数量级Gd、Sm、Dy、Eu