Sodium Sulfite
Sodium sulfite is used as a food preservative and is a highly effective reducing and bleaching agent. It is used in the photographic industry to prevent developing solutions from oxidation, as an anticorrosive in water treatment or as an chlorine scavenger in textile industry. Accordingly, BASF provides sodium sulfite in technical, food and photo grades.
Sodium Metabisulfite
In the chemical and pharmaceutical industry, sodium metabisulfite is mainly used as reducing agent. Furthermore, it is ideal for the bleaching of vegetable fibers and textile, for the production of solutions, which are used in the developing of photos and films as well as for the treatment of tanning agents in dyeing of textiles. The chemical properties of sodium metabisulfite make it ideal for water treatment in mining applications.
Potassium Metabisulfite
Food grade potassium metabisulfite is used as a preservative in the production of wine. Food additives by BASF are strictly controlled and analyzed during the entire production process and evaluated in accordance with regional and global regulatory requirements.
Sodium Bisulfite Solution
As a reducing agent, Sodium Bisulfite Solution 38-40% Technical Grade is an important basic product for the chemical and pharmaceutical industry. Additionally, it might be applied in water treatment and in the textile, and leather industry.
Potassium Sulfite Solution
Potassium sulfite solution is mainly used as reducing agent for the photographic industry as well as for the water treatment. BASF offers an aqueous solution containing 45% potassium sulfite.