hóa chất hedp

hóa chất 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) CAS No. 2809-21-4 Dequest: 2010 Molecular Formula: C2H8O7P2 Molecular weight:206.02 Specification: items index Appearance Colorless or light yellow transparent liquid Active content（HEDP）％ 58.0-62. Phosphorous acid（as PO33-）% 2.0max...

hóa chất 1-Hydroxyethylidene-11-Diphosphonic acid HEDP SPECIFICATION Molecular Formula：C2H8O7P2 Molecule Weight：206.02 Typical Active Content：60+/-2% Appearance：Colorless to pale yellow clear solution pH (1% solution)：< 2.0 Specific gravity(20℃ )：1.44+/-0.05 Iron (Fe)：< 35ppm...