产品描述

Appearance White crystalline powder Purity (on dry base)% 98.0-104.0 PH value(0.1%water liquor) 9.5-10.5 Sulfate(ppm) =<300 Chlorides(ppm) =<350 Loss on drying % =<0.50 Organic volatile impurities Meets BP2000/usp24 STANDARD Completeness of solution Meets Bp2000/usp24 STANDARD Heavy metals (Pb)ppm =<10.0 Apprearance of solution Clear and transparent ITEM STANDARD Appearance White crystalline powder Purity (on dry base)% 99-100.5 Melting point °C 69-72 Sulphated ash % =<0.05 Acidity (mlNaOH0.1M) =<0.1 Loss on drying % =<0.5 Residue % =<0.10 Arsenic (ppm) =<1.0 Heavy metals (Pb)ppm =<10 Mercury (mg/kg) <1 lead (mg/kg) <5 Clarity and color of solution Clear and transparent