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Water treatment Carbonate series Sulfate series Nitrate series Chloride Fluoride salt Other Phosphate series
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Appearance: white or yellowish crystalline powder or small crystal
Product specification: sulfur dioxide ≥ 65%
Iron ≤ 0.005%
Water insoluble ≤ 0.05%
PH value: 4.0-4.6
Chinese name of chemical: sodium metabisulfite
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