[6] Colophony is the residue left after the volatile oil is distilled off from the oleoresin. The final product of this process can contain hundreds of distinct chemical compounds. These ...

This reaction can be used as a test for phenol groups. Mix several drops or a few crystals of compound to be tested in a beaker or in a 200mm test tube. Add a few drops of 1% FeCl3. As a control, add ...