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Ascorbic Acid

Ascorbic Acid, also known
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Description

Name: Ascorbic Acid
CAS No.: 50-81-7
Chemical Formula: C6H8-6
Specification: BP 2000 / USP 24 / FCC IV
Packing: In 25kg cartons
Functional use: Antioxidant
Specifications
Items Specifications
Appearance: White crystalline powder
Identification: Positive reaction
Melting point: About 190 o
Specific rotation: +20.5 --- +21.5 o
PH value: 2.1 –2.6
Clarity of solution: Clear
Colour of solution: BY7 max
Heavy metals: 10 ppm max
Copper: 5 ppm max
Iron: 2 ppm max
Assay(on dried basis): 99.0 –100.5%
Residue on ignition:: 0.1% max
Organic volatile impurities : Conforms
Oxalic Acid: 0.2% max

food additives, Antioxidants,

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