Ascorbic Acid Powder
Product Details:
| Purity | 99.9 |
|---|---|
| Ascorbic Acid | Ascorbic Acid |
| Place of Origin | Shandong, China (Mainland) |
Payment & Shipping Terms:
| Minimum Order Quantity: | 2 Metric Ton |
|---|---|
| Payment Terms: | L/C,D/P,T/T |
Detailed Product Description
Ascorbic acid (vitamin c)
| ITEM | SPECIFICATION | RESULT | ||||||
| 1. | Characteristics | White or almost white crystals or crystalline powder | White crystalline powder | |||||
| 2. | Identification | Positive reaction | Positive | |||||
| 3. | Melting point | About 190 | 191 | |||||
| 4. | PH | 2.1 to 2.6 | 2.42 | |||||
| 5. | Clarity of solution | Clear | Clear | |||||
| 6. | Color of solution | Not more than BY7 | Less than BY7 | |||||
| 7. | Copper | Not more than 5ppm | Less than 5ppm | |||||
| 8. | Heavy metals | Not more than 10ppm | Less than 5ppm | |||||
| 9. | Mercury | Less than 0.1mg/kg | Conform | |||||
| 10. | Lead | Less than 3mg/kg | Conform | |||||
| 11. | Arsenic | Not more than 3ppm | Less than 3ppm | |||||
| 12. | Cadmium(Cd) | Less than 1mg/kg | Conform | |||||
| 13. | Oxalic acid | Not more than 0.2% | Less than 0.2% | |||||
| 14. | Iron | Not more than 2ppm | Less than 2ppm | |||||
| 15. | Loss on drying | Not more than 0.4% | Less than 0.1% | |||||
| 16. | Residue on ignition | Not more than 0.1% | Less than 0.1% | |||||
| 17. | Mesh | 40-80mesh | Pass | |||||
| 18. | Specific rotation | +20.5°-+21.5° | +21.11° | |||||
| 19. | Organic volatile impurities | Pass | Pass | |||||
| 20. | Free of metal perticles | Containing or not containing | Not containing | |||||
| 21. | Assay | 99.0%--100.5% | 99.91% | |||||
Ascorbic Acid Powder
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Company Info
Qingdao Samin Chemical Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Qingdao
Province/State: Shandong
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products