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Niran Hot Sale Bulk Vitamin C Powder Ascorbic Acid


Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 °C-192 °C, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform.
| Analysis Contents | Analysis Standard |
| Characteristics | White or almost White crystals Crystalline Powder |
| Identification | Positive Reaction |
| Melting Point | About 190°C |
| PH(with 5% water solution) | 2.1-2.6 |
| Clarity Of Solution | Clear |
| Colour Of Solution | ≤BY7 |
| Copper | ≤5ppm |
| Heavy Metals | ≤10ppm |
| Mercury | ≤0.1mg/kg |
| Lead | ≤2mg/kg |
| Arsenic | ≤3ppm |
| Oxalic Acid | ≤0.2% |
| Iron | ≤2ppm |
| Impurity E | ≤0.2% |
| Loss of Drying | ≤0.4% |
| Sulphate Ash(Residue On Ignition) | ≤0.1% |
| Specific Optical Rotation | +20.5 to +21.5 |
| Residual Solvents | Pass |
| Assay | 99.0%-100.5% |







1. What's your payment terms?
T/T, L/C, D/A, D/P, Western Union, Money Gram and other.
2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or tons bag. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
Generally 24 months. According to the products you ordered.
5. What documents you provide?
Usually, we provide Commercial Invoice, Packing List, Bill of lading, COA , Health certificate and Origin certificate, Insurance. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai, Ningbo, Qingdao or Tianjin.
7. Could you provide non-GMO certificates?
Of course, we would be glad to provide you with any of our certifications, such as ISO, Kosher, HALAL.We have testing reports of research that has been conducted by a third party,like SGS.
8. Our requirements differ a litter from your specifications. Can you produce a customized product for us?
Of course we are more than very willing to provide you with the exact product you need.Please contact us and let us know your detailed specifications, and NiranBio will do its best you meet your specific demands.
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