The method described here has been found equally successful in the preparation of benzene- diazonium sulfate. It is reasonable to assume that this method should give equally good yields of high purity for diazo salts from all acids. RESEARC~ LABORATORY OF PHYSICAL CHEMISTRY BROOKLYN, NEW YORK POLVTECRNIC INSTITUTE OF BROOKLYN RECEIVED NOVEMBER 21, 1941 __ .- .- The Use of Phenylhydrazine to Characterize Organic ...
