Profile: Shakti International specializes in the development, trading and marketing of specialty chemical products such as agro & oil field chemicals. Our products include ammonium thiosulfate solution, copper sulphate pentahydrate, di calcium phosphate, mono ammonium phosphate, potassium nitrate, ammonium bisulfite solution, zinc oxide and zinc sulphate monohydrate. Ammonium bisulfite is a chemical reducing agent of oxygen used in water treatments. It is a solution of ammonium bisulfite with a high concentration of SO2 reaching up to 45%. Its main use in industry is to control the corrosion by eliminating the dissolved oxygen in water systems and lines such as the secondary recovery of petroleum. The ammonium bisulfite solution is used in the photographic, food industry, wastewater treatment and in off-shore oil drilling as oxygen scavenger.