GB/T 20475.3-2012
ActiveClassification for content of harmful elements in coal - Part 3：Arsenic
煤中有害元素含量分级 第3部分：砷
Application Summary AI generated
This standard specifies the classification levels for arsenic content in coal, defining thresholds for low, medium, and high arsenic grades. It is applied in the coal mining and power generation industries to guide coal quality assessment, blending, and utilization, particularly for environmental control and emission management in coal-fired power plants.
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