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實驗室級偏亞硫酸氫鈉
Sodium metabisulfite
COA
Purity as Na2S2O5 97.70%
Sulfur Dioxide 65.85%
Sodium sulphite 0.60%
Sodium sulphate 1.70%
Chloride as NaCl 32.00 ppm
Insoluble water ND
