Learn Chemistry: Glossary

Description

A glossary for Learn Chemistry explaining the meaning of chemistry terms used within this site.

Type of Activity

:
group work, working independently

Audience

:
TeacherStudent

Age Group

:
16 to Undergraduate
learn-chemistry-glossary
Term Definition
Washing

1. The removal of impurities from a solution by extracting with an immiscible solvent.
2. The washing away of soluble impurities from a solid filtered in a Buchner funnel using cold solvent.
3. The complete transfer of a solid or solution by repeated washing out with solvent (for example in the preparation of a standard solution).

Washings The material produced from a washing procedure.
Work up The final stages of a reaction where the product is isolated and purified.