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Ascorbic Acid
 Ascorbic Acid |
Product Description
1. Specification:
Items standard
Description: White or almost white
Crystals crystalline po
Identification: Positive reaction
Melting point: 187 - 192 centigrade thermometer
Ph: 2.1-2.6
Clarity of solution: Clear
Colour of solution: ≤by7
Copper: ≤5 ppm
Heavy metals: ≤10 ppm
Iron: ≤2 ppm
Mercury: ≤1 ppm
Lead: ≤2 ppm
Arsenic: ≤3 ppm
Oxalic acid: ≤0.2%
Loss on drying: ≤0.4%
Residue on ignition: ≤0.1%
Specific rotation: +20.5 to +21.5 degree
Organic volatile impurities: Pass
Assay: 99.0% - 100.5%
Product confirm to bp2004/usp28
2. Shelf life: 3 years
More Product Features
| Standard: | BP2004/USP28 |
|---|---|
| Company: | Wolf Canyon (Yantai) Trading Limited |
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