Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
全国铁矿石与直接还原铁标准化技术委员会(SAC/TC 317)
GB/T 6730的本部分规定了邻苯二酚紫-溴化十六烷基三甲胺分光光度法测定锡含量。
本部分适用于铁矿石、铁精矿、烧结矿和球团矿中锡含量的测定。测定范围(质量分数)：0.005%~0.200%。
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