... (SO4), ≤%-0.5Carbonate-Test passedBarium-Test passed6. Usage: In food processing industry, it is used as leavening agent, dough modifier, buffer, ... , bake, double acid type flour color modifier, modifior forfried food, also used as nutrient additive or modifier for biscuit, milk ... additive to produce Calcium Tablet or other tablets in pharmaceutical industry. To act as a friction agent in tooth paste. ...