SODIUM SULPHITE POWDER MANUFACTURER
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PRODUCT INFORMATION
Sodium sulphite is manufactured by reacting sulfur dioxide with sodium hydroxide and again nutralised with sodium hydroxide then crystallised in evoporators. It is white crystalline material.
Standard Packing:-
In different hdpe bags with inner liner 25kg/50kg/100kg/500kg/1mt.
Hdpe drum packing 25kg.
500gms – 1kg packing for food additives.
PRODUCT SPECIFICATION
PARAMETERS | TECHNICAL GRADE | FOOD GRADE |
---|---|---|
APPEARANCE | WHITE CRYSTALLINE Powder | WHITE CRYSTALLINE Powder |
PURITY AS (Na2SO3) | MIN. 92% w/w | MIN. 96% w/w |
PURITY AS (SO2) | MIN. 46% w/w | MIN. 49%-50% w/w |
pH (20% Soln) | 9 – 11 | 9 – 11 |
HEAVY METALS | MAX. 50 PPM | MAX. 10 PPM |
LEAD (AS Pb) | MAX. 50 PPM | MAX. 5 PPM |
IRON (AS Fe) | MAX. 100 PPM | MAX. 10 PPM |
ANTIMONEY | MAX. 50 PPM | NIL |
ARSENIC (AS Ar) | MAX. 50 PPM | NIL |
CADMIUM (AS Cd) | MAX. 50 PPM | NIL |
MERCURY (AS Hg) | MAX. 50 PPM | NIL |
CHROMIUM (AS Cr) | MAX. 50 PPM | NIL |
NICKLE (Ni) | MAX. 50 PPM | NIL |
SELENIUM (AS Se) | MAX. 50 PPM | NIL |
Uses:-
- Water treatment: Oxygen scavenger in boiler water and drilling water.
- Effluent water treatment of excess chlorine.
- Detoxification of chromic acid in electroplating industries.
- Desalination plants for manufacturing potable water.
- Photography: In processing semi-chemical pulp production in chemi-thermo mechanical and kraft pulping process.
- Detergents: Manufacture of sulfosuccinates.
- Dyestuff: Reducing agent in manufacture of indigo-at dyes.
- De-chlorination: As an antichlor following bleaching by sodium hypochlorite.
- Latex: Stabilizing latex.
- Minerals: ore floatation aid.
- Leather industry: Antibacterial in tanning process.
- Food processing: As preservative, antioxidant and enzyme inhibitor.
- Production capacities of our products 2400tpa.
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