Specification: Specification/GradeSuperior GradeQualified GradeResultAppearanceTransparent,no impuritiesConformChromaticity(Pt-Co,NO) ≤5105Density /%0.784-0.7860.784-0.7870.785SolutionClearClearPurity % ≥99.799.699.94Moisture,%≤0.150.200.04Acid,%≤0.0020.0020.001Residue after evaporation,%≤0.0020.0030.001OH (As..