Exercise care in handling all of the chemicals. Line up your test tubes in the test tube rack. Take out your labels and write out the names of each of the compounds you will be flame testing. These include sodium chloride, potassium chloride, calcium chloride and sodium fluoride.
How to prepare for the chemdemos flame test?
Turn off the burner. Do not get the spray bottles too close to the flame. Be sure that the spray is directed away from any observers. Remove all flammable materials from the area of the demonstration. Ethanol is very flammable. Be sure that there is a fire extinguisher nearby. Wear goggles. Prep. Notes
What happens when you clean a flame test wire?
Even when cleaning the wire off thoroughly, small, residual amounts of liquid may still contaminate the wire, thus altering the shade of the color that is emitted by the heated substance.
Why is my flame test lab not working?
Here is a suggestion for one possibility. Think about the effects of the lighting illuminating the lab space, incandescent vs. fluorescent for example. Hope this helps. Maybe loose dust particles from the atmosphere got into the flame.
