C.P. Terweij-Groen

Distribution mechanism of ionizable substances in dynamic anion-exchange systems using cationic surfactants in high-performance liquid chromatography

C.P. Terweij-Groen, S. Heemstra, J.C. Kraak · Journal of Chromatography A · 1978 · 100 citations

Chemical Engineering, Engineering, Ion Exchange +11

Ion-pair phase systems for the separation of carboxylic acids, sulphonic acids and phenols by high-pressure liquid chromatography

C.P. Terweij-Groen, J.C. Kraak · Journal of Chromatography A · 1977 · 57 citations

Engineering, Biochemistry, Separation Science +13

Rapid determination of indomethacin and salicylic acid in serum by means of reversed-phase liquid chromatography

C.P. Terweij-Groen, S. Heemstra, J.C. Kraak · Journal of Chromatography B Biomedical Sciences and Applications · 1980 · 33 citations

Rapid Determination, Gas Chromatography, Reversed-phase Liquid Chromatography +12

Rapid, direct determination of trace amounts of salicyclic acid in deproteinized serum by means of high-pressure liquid—liquid chromatography

C.P. Terweij-Groen, T. Vahlkamp, J.C. Kraak · Journal of Chromatography B Biomedical Sciences and Applications · 1978 · 30 citations

Trace Amounts, Biochemistry, Medicine +10

An Ion-Pair Extraction Detector for the Liquid-Chromatographic Determination of Anionic Surfactants

C.P. Terweij-Groen, J.C. Kraak, W.M.A. Niessen et al. · International Journal of Environmental & Analytical Chemistry · 1981 · 14 citations

Solvent Extraction, Plug Injection, Engineering +18