Learn Chemistry: Glossary


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

Type of Activity

group work, working independently



Age Group

16 to Undergraduate
Term Definition
Gas Liquid Chromatography (GLC) A form of analytical chromatography where compounds are carried in a stream of gas through a column which contains a non-volatile liquid either on the walls of the column or on the surface of a finely divided solid.
Gravimetric (analysis) A form of analysis where a reagent is used to form a precipitate which is in turn weighed accurately.
Gravity chromatography A form of chromatography where the solvent is allowed to drain through the solid phase under gravity (see also Flash chromatography).
Gravity filtration The simplest form of filtration where the filtrate is allowed to run through a filter under the influence of gravity.