1-Hydroxy ETHYLIDENE-1,1-Diphosphonic Acid

HEDP)% 60.0 min 90.0 min Active content (HEDP·H2O)% - 98.0 min Phosphorous acid (as PO33-)% 1.0 max 0.8 max Phosphoric acid (as PO43- )% 0.6 max 0.5 max Chloride (as Cl-)% 0.01 max 0.01 max pH