... beverage sour agent, and also instead citric acid, malic acid, In beer saccharification process, can replace the lactic ... acid adjustable PH value, In the sugar industry ... electronic industry, pharmaceutical industry, etc. Specifications of Phosphoric Acid food gradeNo.Items of AnalysisUnitNational standardGB3149-20041ColorApha≤202(H3PO4)%≥ ...