Identification by Flame Colour

The Chemistry of Art > 2. The Structure of the Atom and Colours > Identification by Flame Colour >

Identify Na+, K+, Ca2+, Ba2+, Sr2+, and Cu2+ cations by their flame colour

  • Some of the elements exhibit distinct color upon ignition are shown below:

 

CationFlame Colour
Sr2+Red
Ca2+Orange – Red
Na+Orange – Yellow
Ba2+Green (Apple Green)
Cu2+Blue – Green
K+Violet