Emission Spectra (Visual)

 

Emission Spectra (Visual)

MATERIALS

-      5 spray bottles filled with salts (of your choice) dissolved in ethanol or ethanol/water

-      Propane torch or Bunsen burner

-      Striker or lighter

PRESENTATION

-      Ignite the propane torch with the striker

-      Using all or some of the spray bottles, spray into the top of the flame coming from the propane torch.  Spraying at the bottom of the flame may extinguish it.

DISCUSSION

Flame Color

Chemical

Red

lithium chloride

strontium chloride

Green

Copper chloride

Orange

Calcium chloride

Purple

Potassium chloride

Yellow

Sodium chloride
 

 

-      Discussions about this demonstration are usually about electron energy states.

HAZARDS

-      Avoid breathing any vapors.  This should be done in a well ventilated room with safety glasses and gloves.

-      Strontium Chloride:  http://www.sciencelab.com/msds.php?msdsId=9925107

-      Lithium Chloride:  http://www.sciencelab.com/msds.php?msdsId=9927210

-      Copper Chloride:  http://www.sciencelab.com/msds.php?msdsId=9923592

-      Calcium Chloride:  https://www.sciencelab.com/msds.php?msdsId=9923251

-      Potassium Chloride:  https://www.sciencelab.com/msds.php?msdsId=9927402

-      Sodium Chloride:  http://www.sciencelab.com/msds.php?msdsId=9927593

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