我国稀土元素分析时测定常量混合稀土总量 ,仍然离不开传统的化学分析 ,其中矿样中混合稀土氧化物总量的测定也显得特别重要 ,长期以来样品的前处理是采用碱熔法 ,费时、费力、还常因高温熔融过程中样品溅出使检测结果偏低。基于此 ,本法采用了酸溶法处理样品 ,大大缩短了工时。经实验证明检测结果准确可靠 ,重现性较好 Determination of rare earth elements in China when the total amount of rare earth mixed is still inseparable from the traditional chemical analysis, in which the total amount of mixed rare earth oxides measured also appears particularly important for a long time since the sample pretreatment is the use of alkali melting method, Time-consuming, laborious, but also often due to high temperature melting process splashes the sample test results are low. Based on this, the law used acid-soluble sample processing, greatly reducing working hours. The experimental results show that the test results are accurate and reproducible