Rainbow Flame! Coloured Fire Experiment!

Please note that this video was made solely for research and demonstration purposes! Do not attempt to repeat the experiments shown in this video!
Hello everyone. Today I will show you one interesting experiment, which is called the fire rainbow. For this experiment, we will need different metal salts that will paint flames in different colors. The first ingredient, one that you can find in your kitchen, is cooking salt. It will paint the flame in yellow color.
The next one is lithium chloride which I pour in the first cup. It will paint the flame in red carmine color.
Then, I pour strontium chloride. Next substance is boric acid. After is bluestone. Then I pour barium chloride. Next goes lead nitrate, and in the end - potassium chloride.
To achieve the best result of transferring the color during combustion I use methanol as a fuel. I’m pouring a small amount of methanol into each of the cups. Next, I set fire to methanol. Once the flames break out, we get a fire rainbow. Lithium chloride paints flame in such a rich carmine red color.
Strontium chloride paints the flame in a bright red color. Sodium chloride paints flame in yellow. Next boric acid dyes the flame in a rich green color.
Bluestone colors the flame in a dim green. Barium chloride should also paint the flame in green color, although we don’t observe that here.
Lead nitrate paints flame in a such yellow-blue color. Finally potassium chloride, colors the flame in a such yellow-purple color.
At the end methanol slowly burns down and the flames are reduced. Now we can see more clearly how different salts paint their flames.
For example, potassium chloride, which previously was almost yellow, now became more purple.
Copper sulfate has also become more green. After methanol is burned, the experiment stops. Facebook: https://www.facebook.com/thoisoi2
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Видео Rainbow Flame! Coloured Fire Experiment! канала Thoisoi2 - Chemical Experiments!