title: [Not Available].
abstract: The thiosemicarbazone obtained by reacting an aromatic aldehyde with thiosemicarbazide in acidic medium is extracted into methylene chloride. The colour developed by adding 2,3-dichloro-1,4-naphthoquinone to the organic extract allows the calorimetric determination of a few micrograms.
authors.affiliation: Centre de Recherches Roussel-Uclaf, 93-Romainville, France.
authors.forename: J
authors.initials: J
authors.lastname: Bartos
authors.forename: M
authors.initials: M
authors.lastname: Pesez