White or light-yellow crystalline powder, smell of SO2. It is slightly soluble in alcohol. It is easily decomposed by moisture and easily oxidized to sodium sulfate in the exposed space.
White or light-yellow crystalline powder, smell of SO2. It is slightly soluble in alcohol. It is easily decomposed by moisture and easily oxidized to sodium sulfate in the exposed space.
Main Content (As Na2S2O5): 97.35% min
SO2: 65% min
Iron(Fe): 0.005% max
Insoluble matter in water: 0.05%max
pH: 4.0 – 4.8
Arsenic(As): 0.0001%max
Heavy metal(as Pb): 0.0005%max
Used as an antioxidant, preservative and as disinfectant.
Used in mining industry as pH control for froth flotation process and for controlling depression of pyrites and sphalerite minerals.
Keep container tightly closed. Keep container in a cool, well-ventilated area. Moisture sensitive. Air Sensitive
25kg/bag
Has evolved from a mere marketer of dyestuffs and auxiliaries into a source of diverse specialty chemicals.
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