Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectrophotometric method
全国有色金属标准化技术委员会(SAC/TC 243)
GB/T 1819的本部分规定了锡精矿中三氧化钨量的测定方法。
本部分适用于锡精矿中三氧化钨量的测定。测定范围：0.050％~35.00％。
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