title: Selective spot test for hydrazine.
abstract: Trinitrobenzene sulphonic acid reacts with hydrazine in dilute aqueous solution to give a violet colour. This reaction is used as the basis of a sensitive spot test for hydrazine.
authors.affiliation: National Research Council of Canada, Prairie Regional Laboratory, Saskatoon, Saskachewan, Canada.
authors.forename: T A
authors.initials: TA
authors.lastname: LaRue