This effect was first noted in 1860 by Kirchoff and Bunsen of Bunsen Burner fame. Almost all young chemists will have done a flame test at some point, and sodium chloride is a popular choice.

A Bunsen burner, named after Robert Bunsen, is a kind of gas burner used as laboratory equipment; it produces a single open gas flame, and is used for heating, sterilization, and combustion. The gas ...

Flame size and intensity can be adjusted infinitely. The safety Bunsen burner Flame 100 activates immediately with the push of a button. No match or a pilot flame are required. Optionally ...

A Bunsen burner would usually be on a blue flame during an experiment. When the Bunsen burner is not being used, it should either be on the yellow safety flame so that others can see it ...