联系人 Ms. Ellie
2277 Zuchongzhi Road,Zhangjiang Hi-Tech Park, Shanghai, Shanghai
Vitamin c
1.Have ISO,GMP,HACCP certificates
2.Free example, keep for 2 years
3.Packing as your requst
Vitamin
C, Ascorbic Acid Details
Ascorbic
acid 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.
Vitamin
C, Ascorbic Acid Applications
In the
pharmaceutical industry,can be used to treat scurvy and various
acute and chronic infections diseases,are applicable to the lack
of VC.
In the
food industry,it can both use as nutrition-al
supplements,supplementary VC in food processing,and also is good
Antioxidants in food preservation,widely used in meat
products,,fermented flour products,beer,tea dtinks, fruit
juice,canned fruit,canned meat and so on;also commonly used in
cosmetics,feed additives and other industrial areas.
Vitamin
C, Ascorbic Acid Specifications
| ITEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Melting point | 191 °C ~ 192°C |
| pH (5%, w/v) | 2.2 ~ 2.5 |
| pH (2%,w/v) | 2.4 ~ 2.8 |
| Specific optical rotation | +20.5° ~ +21.5° |
| Clarity of solution | Clear |
| Heavy metals | ≤0.0003% |
| Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
| Copper | ≤3 mg/kg |
| Iron | ≤2 mg/kg |
| Mercury | ≤1 mg/kg |
| Arsenic | ≤2 mg/kg |
| Lead | ≤2 mg/kg |
| Oxalic acid | ≤0.2% |
| Loss on drying | ≤0.1% |
| Sulphated ash | ≤ 0.1% |
| Residual solvents (as methanol) | ≤ 500 mg/kg |
| Total plate count (cfu/g) | ≤ 1000 |
| Yeasts & molds (cfu/g) | ≤ 100 |
| Escherichia. Coli/g | Absence |
| Salmonella/ 25g | Absence |
| Staphylococcus aureus/ 25g | Absence |
Service
we provide:
1. Before
shipment, free sample for test
2. Packing
as your request, with photo before shipment
3. Cargoes
photo before and after loading into container
4. Fast
shipment by reputed shipping line
5. Best
service after shipment with emails
| 国家: | China |
| 型号: | Vitamin C Food Grade/Medicine Grade |
| 离岸价格: | 2.8 / Kilogram 获取最新报价 |
| 位置: | - |
| 最小订单价格: | 2.8 per Kilogram |
| 最小订单: | 1 Ton |
| 包装细节: | In 25kg cartons |
| 交货时间: | 15 days |
| 供应能力: | 500 Ton per Month |
| 付款方式: | D/P, L/C, T/T |
| 產品組 : | Vitamins |
