[Not Available].
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.
Bartos
J
J
Centre de Recherches Roussel-Uclaf, 93-Romainville, France.
Pesez
M
M