Appearance Colorless:transparent liquid
Color(Pt-Co)≤50#
Content,%≥99.0
Acidity(mgKOH/g)≤0.2
Water content(wt),%≤0.25
Refractive index(25篊/D) 1.432~ 1.441
Relative density(25/25篊) 1.135~ 1.139
Heavy metal(base on Pb)≤10ppm
Arsenic(As)≤3ppm