Analytical Chemistry p. 2345 - 2349 (1984)
Update date:2022-07-29
Topics:
Smith
Davis
Primary, secondary, and tertiary amines, both aliphatic and aromatic are shown to react with p-chloranil in dioxane/2-propanol (1:4, v/v) to produce a blue to purple color. Most amines tested also react with p-chloranil in other organic solvents. The colored compound formed can be stable for 8 h at room temperature, depending on the amine and the solvent used. Several organic compounds (phenol, epoxies, alkynes, and non-amine nitrogens) are shown to not interfere with the detemination of amines. A few applications of amine determinations in real samples are discussed.
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