Siriporn Supakankunti
(Chulalongkorn University, 1986)
The reaction of 2,4-dinitrophenylhydrazine (2,4-DNPH) and ketone yields an orange precipitate of 2,4-dinitrophenylhydrazone (2,4-DNPH’ zone) derivative which is insoluble in water, and it was developed in order to assay ...