Add an equal volume of ether. Another positive test is the formation of the solid salt. Liquid samples should be dried with calcium sulfate, prior to testing. This test may be applied to solid compounds or very viscous liquids by dissolving them in an inert solvent such as anhydrous ligroin or toluene. Positive Test Formation of hydrogen gas is a positive test.
Complications Dealing with sodium metal can be exciting.
Make sure that all samples are dry before proceeding with test.