Glossary
Abbreviations
Common Conversions
Periodic Table
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Physical Constants
Glossary...
W  
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.