L-Ascorbic Acid 1.Widely used in many fields such as food , beverage, breeding and forage additives 2.50-81-7

L-Ascorbic Acid        BP/USP/EP/FCC

1.Appearance: White or Almost White Crystalline Powder 2.Specification:   Identification: Positive Reaction  Melting Point: About 190?  pH(With 2% Water Solution): 2.4~2.8  pH(With 5% Water Solution): 2.1~2.6  Clarity of Solution: Clear  Colour of Solution: BY7 max  Copper: 5ppm max  Heavy Metals: 10ppm max  Lead: 2ppm max  Iron: 2ppm max  Cadmium: 3ppm max   Arsenic: 3ppm max  Mercury: 0.1ppm max  Zinc: 25ppm  Oxalic Acid: 0.2% max  Sulphate Ash(Residue on Ignition): 0.1% max  Specific Optical Rotation: +20.5° ~ +21.5°  Assay: 99.0% ~ 100.5%  Loss on Drying: 0.4% max  Residual Solvents: Methanol:NMT 3000 ppm3.Usage: Widely used in many fields such as food , beverage, breeding and forage additives. 4.Packing: 25kg per carton

  

Food Grade L-Ascorbic Acid