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Standard
XB/T 619-2015 Chemical analysis methods of ion type rare earth ore. Determination of total rare earth ion phase (English Version) |
Detail of XB/T 619-2015
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Introduction of XB/T 619-2015
本标准规定了离子型稀土原矿中离子相稀土总量的测定方法。
本标准适用于离子型稀土原矿中离子相稀土总量的测定,共包含3个方法:方法1 电感耦合等离子体质谱法、方法2 电感耦合等离子体原子发射光谱法与方法3 EDTA容量法。方法1的测定范围为:0.010%~0.50%;方法2的测定范围为:0.020%~0.50%;方法3的测定范围为:0.020%~0.50%。其中,方法3不适用于浸取后溶液中铁含量大于10μg/mL或铜含量大于5μg/mL的试样的测定。
Contents of XB/T 619-2015