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项目
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技术指标
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检测方法标准
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外观
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黑色颗粒
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目测
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粒度, % Ø4mm
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≥ 95
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GB/T12496.2-1999
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堆积密度, mg/l
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0.45-0.60
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GB/T12496.1-1999
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比表面积, m 2 /g
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≥ 900
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HG/T3927-2007
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孔容积, ml/g
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0.50-0.65
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HG/T3927-2007
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碘值, mg/g
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≥ 900
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GB/T12496.8-1999
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灰分, %
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≤ 8
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GB/T12496.3-1999
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水分, %
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≤ 5
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GB/T12496.4-1999
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PH值
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≥ 7
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GB/T12496.7-1999
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强度, %
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≥ 92
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GB/T12496.6-1999
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