title: Determination of heroin by means of the pitch of induced cholesteric mesophases.
abstract: A method is described for the determination of chromatographic fractions of heroin and strychnine in the mug and sub-mug range by measurement of the pitch and handedness of their induced cholesteric mesophases in MBBA and Phase IV, respectively.
authors.affiliation: Istituto di Chimica Farmaceutica e Tossicologica, Facoltà di Farmacia, Università di Bologna, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Bertocchi
authors.forename: G
authors.initials: G
authors.lastname: Gottarelli
authors.forename: R
authors.initials: R
authors.lastname: Prati