Items | Index | |
---|---|---|
Appearance | Clear, Colorless to pale yellow aqueous solution | White crystal powder |
Active content (HEDP)% | 58.0-62.0 | 90.0 min |
Active content (HEDP·H 2 O)% | - | 98.0 min |
Phosphorous acid (as PO 3 3- ) % | 2.0 max | 0.8 max |
Phosphoric acid (as PO 4 3- )% | 0.8 max | 0.5 max |
Chloride (as Cl - )% | 0.02 max | 0.01 max |
pH (1% water solution) | 2.0 max | 2.0 max |
Density (20ºC)g/cm 3 | 1.40 min | - |
Fe, mg/L | 20.0 max | 10.0 max |
Ca sequestration (mg CaCO 3 /g) | 500.0 min |