Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3:Determination of water content of rare earth oxides—Gravimetric method
全国稀土标准化技术委员会(SAC/TC 229)
GB/T 12690的本部分规定了稀土氧化物中水分量的测定方法。
本部分适用于稀土氧化物中水分量的测定。测定范围：0.20%～10.00%。
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