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公司基本資料信息
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質(zhì)量指標
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Specification
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GB 6781-2007
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含量(以干基計), w/% ≥
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Content(C6H10FeO6)
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96
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干燥失重, w/% ≤
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Loss on Drying
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20
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氯化物(以Cl–計), w/% ≤
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Chlorides (as Cl)
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0.1
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三價鐵(以Fe3+計), w/% ≤
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Fe3+
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0.6
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硫酸鹽(以SO42-計), w/% ≤
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Sulphate (as SO42- )
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0.1
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pH值
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PH Value
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5.0~6.0
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鉛(Pb)/(mg/kg) ≤
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Lead
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1
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砷(As)/(mg/kg) ≤
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Arsenic
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3
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