... 7-8 times than that for citric acid, for making many kinds of food grade Phosphoric acid (F.G.85%)MW: 98.00Executive Standard ... is 7-8 times than that for citric acid, for making many kinds of food grade phosphate, such as Tribasic sodium phosphate, Tribasic ... (as H3PO3) % ≤---0.012Fluoride (as F) % ≤---0.001Colour ≤3020 Phosphoric Acid 85%,food grade