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Sodium Metabisulfite



 Sodium Metabisulfite Q/S
Sodium Metabisulfite ( Na2S2O5) content,% ≥98.5
Iron (Fe) content,% ≤0.0007
Water Insoluble Matter content,% ≤0.002
Heavy Metal Content (calculated as Pb),% ≤0.0005
Arsenic content (calculated as As),% ≤0.0001
Clarity clear
PH Value 4.0~4.6




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