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The Spec as follows:
Sodium metabisulfite (Na2S2O5):95% Min,powder type,
Content of iron(Fe) : 0.005% Max,
Clarity : A little turbid,
Content of heavy metal(in Pb) : 0.001% Max,
Content of arsenic(As) : 0.0002% Max ,
Origin:China,
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Company : |
weifang tianhong chemical co.,ltd |
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Contact us |
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Country : |
China |
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