Listing ID#10070444
Model99%
CategoryChemicals
Quick answer
Ascorbic Acid is a Chemicals product. Key specs — Origin: NCPC,China; Price Term: CIF.
Product Description
We are agency for NCPC, so the quality is ensured. please check the detailes SPC:
Analysis contents | Analysis Standard | Analysis Results |
Appearance | White or white crystalline powder | Pass |
Identification | Positive Reaction | Positive |
Melting point | About 190°C | 191°C |
Clarity of Solution | Clear | Clear |
Color of Solution | ≤BY7 | |
Copper | ≤5ppm | <5ppm |
Heavy Metals | ≤10ppm | <10ppm |
Lead | ≤2ppm | <2ppm |
Iron | ≤2ppm | <2ppm |
Cadmium | ≤1ppm | <1ppm |
Arsenic | ≤3ppm | <3ppm |
Mercury | ≤0.1ppm | <0.1ppm |
Zinc | ≤25ppm | <25ppm |
Oxalic acid | ≤0.2% | <0.2% |
Sulphate Ash(Residue on Ignition | ≤0.1% | <0.03% |
Specific optical Rotation | +20.5°-21.5° | +20.9° |
Assay | 99.0%-100.5% | 100.0% |
Loss on Drying | ≤0.4% | 0.05% |
Residual Solvents | Methanol:NMT 3000ppm | <200ppm |
Conclusion: Confirm | ||
