Separation and determination of opium alkaloids by high-performance liquid chromatography

Separation of five major alkaloids in gum opium and quantitation of morphine, codeine, and thebaine by isocratic reverse phase high performance liquid chromatography

Cheng-Yi Wu, James J. Wittick · Analytical Chemistry · 1977 · 61 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +9

Chemistry of opium alkaloids

C. Olieman, L. Maat, Krzysztof N. Waliszewski et al. · Journal of Chromatography A · 1977 · 54 citations

Pharmacy, Chemistry, Medicinal Chemistry +8

High-speed liquid chromatography of alkaloids. I

Robert Verpoorte, A. Baerheim Svendsen · Journal of Chromatography A · 1974 · 49 citations

Pharmacy, Medicinal Chemistry, Pharmaceutical Analysis +10

High-speed liquid chromatography of alkaloids. II

Robert Verpoorte, A. Baerheim Svendsen · Journal of Chromatography A · 1974 · 44 citations

Pharmacy, Medicinal Chemistry, Pharmaceutical Analysis +10

Separation of morphine alkaloids, heroin, methadone and other drugs by ion-exchange chromatography

John H. Knox, Jadwiga Jurand · Journal of Chromatography A · 1973 · 42 citations

Pharmacy, Pharmaceutics, Pharmacology +11