Flame tests can be used to
detect some metal ions.
Method
1) Equipment = Bunsen burner,
Nichrome wire, Acid, Chemicals
to test, Heat protective mat
2) Light the bunsen burner and put the nichrome
wire in the flame to see if it is contaminated. If
it's contaminated, clean the nichrome wire in
acid and proceed.
3) Dip the nichrome wire into a chemical and
place in the edge of the flame and not down
the flame colour to determine the chemical.