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1- Hydroxyethylidene-1,1-Diphosphonic acid

HEDP
Production Information
SPECIFICATION
Specification    
Appearance    Colorless or light yellow transparent liquid
Active content (HEDP)%    60min
Phosphorous acid (as PO33-)%    2.0 max
Phosphoric acid (asPO43- )%    0.8 max
Chloride (as Cl-)%    0.5 max
pH (1 solution)    2 max
Density (20)g/cm3    1.430 - 1.460
Fe ion ppm    10 max