Appearance Pale yellow liqud Colority(calculate as gardner) 10max Odor A little amine odor Content m/m 40%min Reducing power 6.5%min Free alkli m/m 0.05-0.5% Density g/m3 1.17-1.19 PH value 9.5-12.5 Nitrogen 5ppm max Cu+Mn 5ppm max 240kgs drums or 1200kgs IBCs