Chinese Standard: GB/T 17415.2-2010

Methods for chemical analysis of tantalum and niobium ores—Part 2:Determination of niobium content

全国国土资源标准化技术委员

GB/T 17415的本部分规定了硫氰酸盐光度法测定钽、铌矿石中铌量的方法。
本部分适用于钽、铌矿石，也适用于锂、铷、铯矿石中铌量的测定。
测定范围：0.001　0%～1.0%(质量分数)铌量(以五氧化二铌计)。

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