Borax bead test is given by cobalt salt, copper salt and nickelate salt.
Borax bead test is a test to determine the presence of certain metals.
The presence of metals is indicated by the appearance of the colour on a bead of borax in a loop of platinum wire held in the oxidizing and reducing parts of a bunsen burner flame.
- In the Borax bead test, a cobalt salt gives deep blue colour.
- In the Borax bead test, a copper salt gives sky blue and red colour.
- In the Borax bead test, a nickelate salt gives yellow-brown and grey colour.
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