... and alkali range up to pH 11,exept hydrofluoric acid and fully desalted water. (As end use conditions can vary ... calcium chloride,Soduim Acetate,ammonia water,Caustic soda,concentrated sulphuric acid,aluminium hydroxide; b:Filtration of catalyst and decoloration liquids ... ,e.g. industrial waste water,industrial circulation cooling water,high purity process water; d: Filtration of gases:e.g. compressed ...