Items
Indexconform to HG/T 3538-2003
Appearance
Clear yellow to umber transparent liquid
Active component (asEDTMPS)%≥
28.0
Organic phosphonic acid (asPO43- )% ≥
10.0
Phosphorous acid (as PO33-)% ≤
5.0
Phosphoric acid (asPO43- )% ≤
1.0
pH (1% water solution)
9.5-10.5
Density (20℃) g/cm3 ≥
1.25
Chloride (as Cl-)% ≤
3.0