... used as detergent, flame retardant, used as food industry culture, soda and carbon dioxide in the cold drink the happening of the ... needs moderate use.Fifth, Used as a food industrial culture, soda and carbon dioxide in the cold drink the happening of ... , etc.Sixth, Injection with carbon alkali balance medicine. Used in food, medicine, film, tanning, dressing, metallurgy, fiber, rubber industry, etc, ...