OEM Customized Veterinary Medicine Doxycycline Hcl Soluble Powder
Our corporation promises all end users in the first-class solutions as well as most satisfying post-sale services. We warmly welcome our regular and new shoppers to join us for OEM Customized Veterinary Medicine Doxycycline Hcl Soluble Powder, Our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.
Our corporation promises all end users in the first-class solutions as well as most satisfying post-sale services. We warmly welcome our regular and new shoppers to join us for , We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced items constantly to satisfactorily meet the needs of our clients all over the world.
Features:
Show the biological activity of ascorbic acid compounds known, is a water-soluble vitamins, fruits and vegetables are abundant. In redox reactions regulate the metabolism of the lack of it can cause scurvy
| ITEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Melting point | 191 ℃ ~ 192℃ |
| 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 |
