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规格
指标名称
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一级
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二级
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三级
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指定级
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含量/%
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≥99.8
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≥99.8
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≥99.8
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根据客户要求定做
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|
澄清度试验
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合格
|
合格
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合格
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|
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水不溶物/%
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≤0.005
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≤0.01
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≤0.02
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|
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氯化物和氯酸盐(以Cl计) /%
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≤0.001
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≤0.002
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≤0.005
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|
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硫化合物(以SO4计) /%
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≤0.002
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≤0.005
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≤0.01
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氮化合物(以N计) /%
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≤0.000 5
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≤0.001
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≤0.002
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磷酸盐(PO4) /%
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≤0.001
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≤0.002
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≤0.005
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|
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硅酸盐(SiO3) /%
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≤0.001
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≤0.005
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≤0.01
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|
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镁(Mg) /%
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≤0.002
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≤0.003
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≤0.005
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|
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钾(K) /%
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≤0.005
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≤0.01
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≤0.02
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|
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铝(Al) /%
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≤0.005
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≤0.01
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≤0.02
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|
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钙(Ca)/%
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≤0.005
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≤0.007
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≤0.01
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铁(Fe) /%
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≤0.000 5
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≤0.001
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≤0.002
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重金属(以Pb计) /%
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≤0.000 5
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≤0.001
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≤0.002
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|
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还原碘物质(以HCOOH计) /%
|
≤0.005
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-
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-
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