China Ascorbic Acid Vitamin C Powder 200 Mesh Supplier, Find details about China White Powder Vc, Antioxidants from Ascorbic Acid Vitamin C Powder 200 Mesh Supplier
Analysis Contents | Analysis Standard |
Characteristics | white or almost white crystals Crystaline powder |
CAS No | 50-81-7 |
molecular weight | 176.12 |
molecular formula | C6H8O6 |
packing | 25kg/carton |
shelf life | 3 years |
storage | Keep in a dry and cool place |
identification | positive reaction |
Clarity of solution | clear |
ph | 2.1-2.6 |
mercury | <0.1mg/kg |
cadmium | <0.1mg/kg |
specific optical rotation | +20,5°-21.5° |
Organic volatile impurities | pass |
assay | 99.0%-100.5% |
1. Supply high quality products with a reasonable price.
2. Keep shipment in time, provide complete customers clearance documents as customs request.
3. Provide agile and safe payments.
4. We will responsible for all quality issue.
5. Share marketing informations with customers update price in time.
1. What's your payment terms?
T/T, D/P, L/C, O/A
2. What's your delivery time?
Usually we will arrange the shipment within 14 days.
3. How about the packing?
Usually with 25 kg bag/carton/drum.
4. How about the validity of the products?
Usually 2 or 3 years.
5. What documents you provide?
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA , Health certificate.
6. What is loading port?
Usually, Qingdao, Tianjin and Shanghai