COA
|
Items |
Specifications |
|
Appearance |
White or almost white crystalline power |
|
Idetification A. IR test B. HPLC test |
A. Conforms to the reference spectrum B. Similar in retention time and size to the principal peak of the reference |
|
Specific optical rotation |
-45°~ -49° |
|
Clarity of solution |
Not more intensely turbid than reference suspensions II |
|
PH |
9.0-11.0 |
|
Crystallinity |
Should conforms to requirements |
|
Residual solvents |
(1) Mothylene chloride ≤0.06% (2) Acetone ≤0.5% |
|
Water |
4.0-5.0% |
|
Residual on ignition |
≤0.3% |
|
Heavy metals |
≤25PPM |
|
Undue toxicity |
Should conforms to requirements |
|
Assay (dried substance ) |
945UG/MG-1030UG/MG |
Our Services
1. Exporting chemical products from China over 5 years of experience.
2. Arrange the orders and shipping with requests in time, According to the different countries
export policy provide complete customs clearance documents..
3. Variety of high quality chemical products with competitive price.
FAQ
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,due to different products you choose.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton,and also as your request bag.
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.
