| CAS No.: | 50-81-7 |
|---|---|
| Formula: | C6h8o6 |
| EINECS: | 200-066-2 |
| Packaging Material: | Paper |
| Storage Method: | Keep Cool and Dry. |
| Shelf Life: | >12 Months |
| Customization: |
|---|
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Audited Supplier In the human body, Ascorbic acid is a highly effective antioxidant, which is used to reduce the oxidative stress of ascorbate peroxidase substrate. Vitamin C is also needed in many important biosynthetic processes.
| CERTIFICATE OF ANALYSIS |
||
| Product Name | ASCORBIC ACID | |
| Analysis Standard | BP/USP/FCC/EP/E300 | |
| Batch No. | Sample | |
| Shelf Life | 3 Years | |
| Net/Gross Weight per package | 25.0kgs/26.3kgs | |
| Analysis Contents | Analysis Standard | Analysis Results |
| Characteristics | White or almost White crystals Crystalline Powder | Pass |
| Solubity | Easily soluble in water | Pass |
| Identification | Positive Reaction | Positive |
| Melting Point | About 190°C | 190.6 °C |
| PH(with 2% water solution) | 2.4-2.8 | 2.46 |
| PH (with 5% water solution) | 2.1-2.6 | 2.38 |
| Clarity Of Solution | Clear | Clear |
| Colour Of Solution | ≤BY7 | <by7 |
| Copper | ≤5ppm | <5ppm |
| Heavy Metals | ≤10ppm | <10ppm |
| Mercury | ≤0.1mg/kg | <0.1mg/kg |
| Lead | ≤0.4mg/kg | <0.4mg/kg |
| Arsenic | ≤1ppm | <1ppm |
| Oxalic Acid | ≤0.2% | <0.2% |
| Iron | ≤2ppm | <2ppm |
| Cadmium(Cd) | <1mg/kg | <1mg/kg |
| Impurity E | ≤0.2% | <0.2% |
| Loss on Drying | ≤0.4% | <0.4% |
| Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% |
| Specific Optical Rotation | +20.5° -+21.5° | 21.08° |
| Residual Solvents | Pass | Pass |
| Assay | 99.0%-100.5% | 99.72% |
| Conclusion | The Above -Mentioned product Conforms To BP/USP/FCC/EP/E300 |
|
We are a very genuine and stable supplier and partner in China,we supply one - stop service and we can control quality and risk for you. No any cheat from us.
Q1: What's your payment ?
A: T/T, LC at sight and West Union are available.
Q2: Can you send sample ?
A: Yes,we can send you free charge sample, you only pay for international courier charge.
Q3: How to guarantee high quality goods ?
A: We send you sample from goods at random, you can compare with goods or test it by SGS or B.V. or Intertek.
Q4: What's your delivery time?
A: Generally 7--15 days after payment for small quantity. and will inform you when large quantity or special order.
Q5: Is there any discount ?
A: Yes, we can consider to give you a discount for first deal and regular order and for good payment.
Q6: How to pay and start order ?
A: We send you Proforma Invoice for your approval and payment first. we will start production when we receive your bank slip.
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Audited Supplier 
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