Gentamycin Wood Based Activated Carbon , High Purity Activated Black Charcoal
Wood Based Activated Carbon Especially for Gentamycin
The product is one kind of wood based powdered activated carbon for pharm industry. The production processes are accomplished by using one combination of the following steps:
1.) Carbonization: Material with carbon content is pyrolyzed at temperatures in the range of 600–900 ℃, in absence of oxygen (usually in inert atmosphere with gases like argon or nitrogen)
2.) Activation/ Oxidation: Raw material or carbonised material is exposed to oxidizing atmospheres (carbon monoxide, oxygen, or steam) at temperatures above 250℃, usually in the temperature range of 600–1200℃.
Applications
It is mainly used for the refinement of gentamycin.
Specification
| Item | Standard | Result |
| Appearance | Black light tasteless odorless powder free from grittiness | Complies |
| Methylene blue adsorption |
≥12ml/0.1g |
Complies |
| Quinine sulfate |
≥120mg/g |
Complies |
| Acidity or alkalinity | 5-7 | Complies |
| Chloride | ≤0.1 % | Complies |
| Sulphate | ≤0.05 % | Complies |
| Zinc | ≤0.005 % | Complies |
| Iron | ≤0.03% | Complies |
| Heavy metal | ≤0.003% | Complies |
| Non-carbide | cannot be deeper than standard value | Complies |
| Acid-soluble substances | ≤0.8% | Complies |
| Loss on drying | ≤10 % | Complies |
| Sulfated ash | ≤3 % | Complies |
| Passing rate | 200mesh≧90% | Complies |
| Conclusion | Comply with China Pharmacopeia 2005 Second Edition | |
Advantages
Less impurity,stronger decolorization,quicker filtration velocity.
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