... acid Purity: 85% Type: Industrial grade and food grade Package: 35kg, 330kg or 1600kg Phosphoric Acid Industrial GradeMolecular Foemula: H3PO4Molecular: 97. ... and sodium carbonate react may generate different acid salt.GRADE: food additives (75%-85%), measure FCCVI.USAGE: ... , sour agents, yeast nutrients, and for production of food grade phosphate. Specification: (1) Technical gradePurity: 85% min OR ...