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1- Hydroxyethylidene-1,1-Diphosphonic acid
HEDP
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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
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