| 11. | After isolation of a pure substance, the task of elucidating its chemical structure can be addressed.
|
| 12. | Most often, the solvent is a liquid, which can be a pure substance or a mixture.
|
| 13. | Then a process is possible in which that pure substance is transferred between system and surroundings.
|
| 14. | By suitable thermodynamic operations, the pure substance reservoir can be dealt with as a closed system.
|
| 15. | Pure substances that are liquid under normal conditions include water, ethanol and many other organic solvents.
|
| 16. | By cleaning the possible side effects could be limit to the effects of the pure substance.
|
| 17. | "It is a very pure substance known as Peruvian flakes, " police spokesman Ales Svoboda said Monday.
|
| 18. | :: I suspect one could almost certainly find pure substances that a normal car would happily run on.
|
| 19. | Some APIs may be tableted as pure substances, but this is rarely the case; most formulations include excipients.
|
| 20. | Metallic bonding is not the only type of chemical bonding a metal can exhibit, even as a pure substance.
|
