... : 99~100.5% 3.Application:food fermentation, detergent ingredient, carbondoxide Product name: BAKING SODAGrade :Food GradePurity: 99~100.5%Function: ... also used as detergent, flame retardant, used as food industry culture, soda and carbon dioxide in the cold ... , etc.Sixth, Injection with carbon alkali balance medicine. Used in food, medicine, film, tanning, dressing, metallurgy, fiber, rubber industry ...