Forensic aspects of high-pressure liquid chromatography.

This paper reviews the applications of high-pressure liquid chromatography (HPLC) to forensic problems, and discusses some of the developments that have taken place in the use of the technique in the Metropolitan Police Laboratory. Preparation of octadecyltrichlorosilane-modified silica is described and some of the chromatographic characteristics of this material are investigated. Applications of HPLC to the analysis of cannabis, opium alkaloids, amphetamine-related materials, LSD and polynuclear hydrocarbons are described.