| 1 | Oxygen adsorbs on tungsten. | |
| 2 | Charcoal can adsorb colored liquids. | |
| 3 | The various methods of purification through the use of selective adsorption have several features in common . | |
| 4 | Threonine grafted compound could adsorb cuprum, iron and calcium. | |
| 5 | They can potentially improve processes such as adsorption, catalysis and disinfection. |