China Coated Vitamin C Ascorbic Acid, Find details about China Vitamin C L-Ascorbic Acid, Vitamin C from Coated Vitamin C Ascorbic Acid
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 |
Qingdao Twell Sansino IMP&EXP Co.,Ltd
Factory Location:Lingang industrial park,Jiaonan,Qingdao,China
T 86 532 87172719 | F 86 532 87172718 |
Web:twellsansino.en.made-in-china.com
1. What's your payment terms?
T/T or L/C.
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 carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.
Qingdao Twell Sansino Import & Export Co., Ltd. is a chemical product supplier and service provider which is engaged in integrating the upstream manufacturers and the downstream customers resources and realizing a pattern in the interests of producers, suppliers and customers. Through making unremitting efforts in the recent years, TS Ingredients has become an increasingly important supplier and distributor of food and feed additives in the international market and formed the most straightforward and economical manufacturer-customer supply chain value system, thereby creating a top-notch international trade model.
With the unique culture, high-quality professionals and latest information about the market changes, TS Ingredients , offers all-round services for your demands, attempts to build TS Ingredients into a famous brand, constructs a global sales network and is determined to "provide the best customers with the best products". TS Ingredients is to create and maintain relations with every customer with heartfelt services. And we will make our customers realize the soul of "ORDER US, RELAX YOURSELF".