What Is The Principle Of Iron III Chloride Test?

What Is The Principle Of Iron III Chloride Test? Ferric Chloride Test This test is conducted to determine the presence or absence of phenol in a given sample. Compounds such as enols, hydroxamic acids, sulfinic acids, and oximes give positive results. The quantity of phenol in the sample can be measured by the Folin-Ciocalteau assay.