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Inorganic chemicals for industrial use—General method for the determination of arsenic content—Part 2:Gutzeit method
全国化学标准化技术委员会无机化工分会(SAC/TC 63/SC 1)
GB/T 23947的本部分规定了无机化工产品中砷测定的通用方法——砷斑法的原理、安全提示、一般规定、试剂和材料、仪器、设备和分析步骤。
本方法适用于无机化工产品中微量砷的测定。其最低检出质量分数为0.25 mg /kg (以As计)。
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