Tob. Sci., 1959, 3-08, p. 48-51, ISSN.0082-4623
Isatin: a color reagent for nornicotine
Department of Chemistry, North Carolina State College, Raleigh, North Carolina USA
Isatin, an organic nitrogen compound, has been used as the reagent in a method for the quantitative and qualitative determination of nornicotine in tobacco. Isatin reacts with nornicotine under prescribed conditions to form a blue pigment .and the...