Inorganic Chemicals, Sodium Metabisulphite, Sodium Bisulphite, Sodium Sulphite, Sodium Acetate, Sodium Bromide, Sodium Formate, Sodium Cyanate, Sodium Thiosulphate Pentahydrate, Sodium Metasilicate, Sodium Hexametaphosphate, Sodium Hydro Sulphide, Sodium Sulphide Yellow Flakes, Potassium Metabisulphite