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Standard Code | Standard Title | Standard Class | Order |
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GB/T 6276.8-2010 |
Determination of ammonium hydrogen carbonate for industrial use - Part 8: Arsenic content - Gutzeit method 工业用碳酸氢铵的测定方法 第8部分:砷含量 砷斑法 |
China National Standards Gutzeit |
English PDF |
GB/T 23947.2-2009 |
Inorganic chemicals for industrial use - General method for the determination of arsenic content - Part 2: Gutzeit method 无机化工产品中砷测定的通用方法 第2部分:砷斑法 |
China National Standards Gutzeit |
English PDF |
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