Original
This product is made by high quality wood shavings through scientific method. With the appearance of black powder, this product is featured by large specific surface area, strong adsorption capacity, fast filtration speed and high purity of decoloration, etc. This product applies to the bleaching purification of drugs, pharmaceutical raw materials, pharmaceutical intermediates, biochemicals, plant extracts and other products, conforming to Chinese Pharmacopoeia (2010 Edition).
| Item | Quality Standard |
| Sorptive ability | The iodine titration solution consumed should not be less than 1.2ml |
| Soluble matter in hydrochloric acid | The residue should not exceed 10mg |
| Loss on drying | Weight loss should not exceed 10.0%. |
| Residue on Ignition | The residue should not exceed 3.0%. |
| Ferric salt | Not thicker by 0.05% compared with the control solution |
| Zinc salt | Not thicker by 0.02% compared with the control solution |
| Sulfates | Not thicker by 0.05% compared with the control solution |
| Chlorides | Not thicker by 0.1% compared with the control solution |
| Heavy Metal | The heavy metal content should not exceed thirty per million |
| pH | Present neutral reaction with the litmus paper |
[Test Standard] In accordance with Pharmacopoeia of the People's Republic of China (2010 edition).
[Package] Plastic woven bags or paper box, 15kg, 18kg, 20kg or 25k each.
[Remark] For the quality indicators not listed, the appropriate products can be produced according to the customer's requirements.
