Items
Index
Appearance
Yello Brow or red brown viscous liquid
Active acid % ≥
50.0
Phosphorous acid (as PO33-)% ≤
3.0
Chloride (as Cl-)% ≤
12 - 17
Density (20℃) g/cm3
1.35 - 1.45
pH (1% solution) ≤
2.0
Iron ( as Fe2+ ) μg/g ≤
35