SPECIFICATION (BP2004/USP28/FCCV)
Appearance: White to slightly yellowish crystalline power
Identification Positive Reaction
Clarity of Solution (5% solution) Clear
Color of Solution BY7
Assay 99.0% ~ 100.5%
Particle size (%) mesh No. 20 100
Loss on Drying < 0.2%
Residue on Ignition Max 0.1%
Specific Rotation + 20.5 ~ +21.5 degrees
PH (5% in water) 2.2 ~ 2.5
Heavy Metals (as Pb) Max. 10ppm
Lead Max. 5ppm
Zinc Max. 25ppm
copper Max. 5ppm
Iron Max.2ppm
Arsenic Max. 3ppm
Oxalic Acid Max. 0.2%
Shelf Life 2 Years
PACKING
Two layers of polyethylene liner in net 25kg carton or fiber drum