... Emulsifiers, Flavoring Agents, Nutrition ... white powder: Odourless Name of indexes FCC-IVUSP-23Appearance White powderWhite powderAssay (As CaHPO4), %97.0-105.097 ... on drying, ≤%24.5-26.524.5-26.5Heavy metals(As Pb), ≤%0.00150.0015Pb, ≤% 0.00020.0002As, ... -0.252. Usage: In food processing industry, it is used as leavening agent, dough modifier, buffer, nutritional supplement, emulsifier, stabilizer, ...