Items
Index
Appearance
Dark umber transparent viscous liquid
Solid content % ≥
50.0
Organic phosphonic acid (asPO43- )% ≥
25.0
Phosphorous acid(as PO33-)% ≤
3.0
Phosphoric acid (asPO43- )% ≤
1.5
pH(1% solution) ≤
Density (20℃)g/cm3 ≥
1.30