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 Products:Ascorbic acid 维生素C

 Specification

                  Specification of ascorbic acid 维生素C
Product Name
ASCORBIC ACID       Vc
Specification
BP2002/USP26
Shelf Life
3 Years
Item
Specification
Characteristics
White Crystalline Powder
Identification
Positive Reaction
Melting Point
About 190℃
PH
2.1-2.6
Clarity Of Solution
Clear
Colour Of Solution
BY7 max
Copper
5ppm max
Heavy Metals
10ppm max
Iron
2ppm max
Oxalic Acid
0.2% max
Sulphate Ash(Residue On Ignition)
0.1% max
Specific Optical Rotation
+20.5°–+21.5°
Organic Volatile Impurities
Pass
Assay
99.0%-100.5%
Conclusion
The Above-Mentioned Product Conforms To BP2002/USP26

 
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