Modified Volhard’s Method
Introduction The Modified Volhard’s Method is an adaptation of the classical Volhard’s Method, used for the determination of chloride (Cl⁻), bromide (Br⁻), and iodide (I⁻) ions. This modification eliminates the need for filtration by using a protective colloid (e.g., nitrobenzene, dextrin, or ferric salts) to prevent the re-dissolution of precipitated silver halides (AgCl, AgBr, AgI). … Read more