Ascorbic Acid,China price supplier

Specifications:
C6H8O6: 99.0%-100.5%
Identification: Positive Reaction
Clarity of Solution: Clear
Color of Solution: ≤BY7
Loss on Drying : <0.2%
Residue on Ignition : ≤0.1%
Specific Rotation : +20.5’ - +21.5’
PH( 2% in Water) : 2.1 - 2.6
Heavy Metals (as Pb) : ≤10ppm
copper : ≤5ppm
Iron : ≤2ppm
Oxalic Acid : ≤0.2%
Shelf Life : 1.5 Years