Chromatographic behaviour of alkaloids on thin layers of anion and cation exchangers

Application of high-speed liquid chromatography to the analysis of morphine, heroin, 6-(O-acetyl)morphine and methadone

John H. Knox, Jadwiga Jurand · Journal of Chromatography A · 1973 · 49 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +12

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

The specific assay of basic drugs in urine by cm-cellulose chromatography using continuous drug—dye complex extraction as a detection system

Colin McMartin, Phillida Simpson, Nicel Thorpe · Journal of Chromatography A · 1969 · 23 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +16

Ligand-exchange chromatography of alkaloids

Eduardo. Murgia, Harold F. Walton · Journal of Chromatography A · 1975 · 20 citations

Pharmacy, Chemistry, Medicinal Chemistry +9

The separation of alkaloids on paper impregnated with zirconium phosphate

I.D. Coussio, G.B. Marini-Bettòlo, V. Moscatelli · Journal of Chromatography A · 1963 · 20 citations

Natural Sciences, Chemistry, Pharmaceutical Analysis +9