Specifications: Item Specification Melting Point :189-193 Assay 99.0% min Loss on Drying 0.4% max Sulphated Ash 0.1% max Specific Rotation[a]D20 +20.5°- +21.5° PH (2% in Solution) 2.4 - 2.8 Arsenic 3ppm max Lead 2ppm max Mercury 1ppm max Heavy Metals (as Pb) 10ppm max Copper 5ppm max Iron 2ppm max Oxalic Acid 0.2% max Mercury Heavy Metals (as Pb) Copper Iron Oxalic Acid
