| ≥1 piece |
Vitamin C / Ascorbic Acid
1. USP2010/BP33/FCCVII/EP7.0
2. HALAL/KOSHER/ISO
3. USP30/BP2008/FCCIV
4. Packed in 25kg/carton
Ascorbic acid is the enolic form of 3-oxo-L- gulofuranolac-tone. It can be prepared by synthesis from glucose, or extracted from plant sources such as rose hips, blackcurrants or citrus fruits. It is easily oxidized in air. It is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.
Commodity | Ascorbic Acid | CAS | *** | ||
Manufacturing Date | 2019.04.13 | Quantity (kg) | 5000 | ||
Expiry Date | 2021.04.13 | Test Date | 2019.04.13 | ||
Test According | GB1886.231-2016 | Packing | 25kg/carton | ||
Test Result | |||||
Serial Number | Test Item | Standard | Result | ||
1 | Appearance | white or almost white crystalline powder | White powder | ||
2 | Identification | Positive reaction | Positive | ||
3 | Melting point | about 190℃ | 191℃ | ||
4 | PH | 2.1-2.6 | 2.3 | ||
5 | Clarity of solution | Clear | Clear | ||
6 | Colour of solution | ≤BY7 | <BY7 | ||
7 | Copper | ≤5ppm | <5ppm | ||
8 | Heavy metals (Lead) | ≤10ppm | <10ppm | ||
9 | Lead | ≤2ppm | <2ppm | ||
10 | Iron | ≤2ppm | <2ppm | ||
11 | Arsenic | ≤3ppm | <3ppm | ||
12 | Oxalic acid | ≤0.2% | <0.2% | ||
13 | Sulphate ash | ≤0.1% | 0.04% | ||
14 | Specific optical rotation | +20.5°~+21.5° | +20.97° | ||
15 | Assay | 99.0%~100.5% | 99.5% | ||
Conclusion: The above product conforms to the standard. | |||||
Product Details
Ascorbic Acid Packed in 25kg/carton
The Usages of Ascorbic Acid
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