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目前,我国对于高含量(RE_XO_Y>50％)的稀土元素总量的测定大都采用经典的重量法,该法准确可靠,但流程长,对于中间产品的控制分析十分不便。
At present, the measurement of rare earth elements with high content (RE_XO_Y> 50%) in our country mostly uses the classical gravimetric method. The method is accurate and reliable, but the process is long. It is very inconvenient to control the analysis of intermediate products.