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Sodium Metabisulphite

Usage Areas

  • As a preservative, additive and antioxidant in food industry
  • Dechlorination in general wastewater, power, paper & pulp and textile water treatment plants
  • Cyanide detoxification in mines
  • As an important agent in acidifying fixing baths

Product Information

Physical Form

Free flowing, white crystal having a characteristic odor of sulfur dioxide

Chemical Formula

Na2S2O5

Sodium Metabisulfite (Na2S2O5)

min. 98 %

Sulfur Dioxide (SO2)

min. 66 %

Sodium Sulfite (Na2SO3)

max. 1,5 %

Sodium Thiosulfate (Na2S2O3)

max. 0,02 %

Sodium Sulfate (Na2SO4)

max. 2,0 %

Iron (Fe)

max. 5 ppm

Lead (Pb)

max. 0,5 ppm

Selenium (Se)

max. 0,5 ppm

Arsenic (As)

max. 0,5 ppm

Mercury (Hg)

max. 0,1 ppm

Chloride (Cl)

max. 0,02 %

Heavy Metals (as Pb)

max. 10 ppm

Packaging

25kg Polyethylene (PE) bags, 1000kg/1200kg/1250kg Bigbags