H Neumann

Illicit heroin manufacturing byproducts: capillary gas chromatographic determination and structural elucidation of narcotine- and norlaudanosine-related compounds.

D. A. Cooper, A. Allen, A C Allen, 1984, Analytical chemistry.

Analysis of opium and crude morphine samples by capillary gas chromatography. Comparison of impurity profiles.

H Neumann, H. Neumann, 1984, Journal of chromatography.

Comments on the routine profiling of illicit heroin samples.

H Neumann, H. Neumann, 1990, Forensic science international.