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Ascorbic Acid
 Ascorbic Acid |
Product Description
Producd standard: BP2005/USP29/EPV/FCCV
Item Analysis standard Analysis results
Charachteristics White or almost white crystalline powder pass
Identification Positive reaction Positive
Melting point About 190 191
pH 2.1-2.6 2.4
Clarity of solution Clear Clear
Colour of solution ≤ BY7
Copper ≤ 5ppm <5ppm
Heavy metals ≤ 10ppm <10ppm
Lead ≤ 2ppm <2ppm
Iron ≤ 2ppm <2ppm
Oxalic acid ≤ 0.2% <0.2%
Suphate ash(Residue on ignition) ≤ 0.1% 0.05%
Spcific optical rotation +20.5° - +21.5° +20.9°
Assay 99.0%-100.5% 99.9%
Organic volatile impurities Pass Pass
Residual Solvents Methanol NMT 3000ppm <3000ppm
Conclusion: The above product conforms to BP2005, USP29, EPV, FCCV
| Classification: | Food Additives |
|---|---|
| Company: | Zhengzhou Honest Food (Liangwei Trading) Co., Ltd. |
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