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R W Frei

Showing results (41-50 of 103) with videos related to

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Journal of Chromatography|May 25, 1988
Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detectionH Jansen, U A Brinkman, R W Frei
Journal of Chromatography|May 6, 1970
A spray method for the fluorescent detection of sulphur-containing organic compoundsP E Belliveau, V Mallet, R W Frei
Journal of Chromatography|November 11, 1977
Post-column derivatization in high-performance liquid chromatography using the air segmentation principle: application to digitalis glycosidesJ C Gfeller, G Frey, R W Frei
Analytica Chimica Acta|June 1, 1972
Metallofluorescent indicators as spray reagents for the in situ determination of organophosphorus pesticides on thin-layer chromatogramsT F Bidleman, B Nowlan, R W Frei
International Journal of Environmental Analytical Chemistry|February 1, 1972
Electron donor-acceptor complexing reagents for the detection of pesticides on TLC. II. Carbamates, anilides and ureas. Spray reagents, chromatography and instrumental techniquesJ D Macneil, R W Frei, O Hutzinger
Journal of Chromatography|December 24, 1975
High-speed ion-pair partition chromatography in pharmaceutical analysisW Santi, J M Huen, R W Frei
International Journal of Environmental Analytical Chemistry|January 1, 1986
Handling of environmental and biological samples via pre-column technologiesR W Frei, M W Nielen, U A Brinkman
The Analyst|January 1, 1973
The analysis of carbamate and urea herbicides by fluorimetry of their dansylated amine moietiesR W Frei, J F Lawrence, D S LeGay
Journal of Chromatography|April 5, 1972
Fluorigenic labelling of carbamates using dansyl chloride. 3. Thin-layer chromatographic properties of the derivativesJ F Lawrence, D S Legay, R W Frei
Journal of Chromatography|February 21, 1986
Comparison of electrochemical detection methods in liquid chromatography for the determination of N-acetylcysteine in plasmaW T Kok, J J Halvax, R W Frei
Pageof 11

Showing results (41-50 of 103) with videos related to

Sort By:
Pageof 11
Journal of Chromatography|May 25, 1988
Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detectionH Jansen, U A Brinkman, R W Frei
Journal of Chromatography|May 6, 1970
A spray method for the fluorescent detection of sulphur-containing organic compoundsP E Belliveau, V Mallet, R W Frei
Journal of Chromatography|November 11, 1977
Post-column derivatization in high-performance liquid chromatography using the air segmentation principle: application to digitalis glycosidesJ C Gfeller, G Frey, R W Frei
Analytica Chimica Acta|June 1, 1972
Metallofluorescent indicators as spray reagents for the in situ determination of organophosphorus pesticides on thin-layer chromatogramsT F Bidleman, B Nowlan, R W Frei
International Journal of Environmental Analytical Chemistry|February 1, 1972
Electron donor-acceptor complexing reagents for the detection of pesticides on TLC. II. Carbamates, anilides and ureas. Spray reagents, chromatography and instrumental techniquesJ D Macneil, R W Frei, O Hutzinger
Journal of Chromatography|December 24, 1975
High-speed ion-pair partition chromatography in pharmaceutical analysisW Santi, J M Huen, R W Frei
International Journal of Environmental Analytical Chemistry|January 1, 1986
Handling of environmental and biological samples via pre-column technologiesR W Frei, M W Nielen, U A Brinkman
The Analyst|January 1, 1973
The analysis of carbamate and urea herbicides by fluorimetry of their dansylated amine moietiesR W Frei, J F Lawrence, D S LeGay
Journal of Chromatography|April 5, 1972
Fluorigenic labelling of carbamates using dansyl chloride. 3. Thin-layer chromatographic properties of the derivativesJ F Lawrence, D S Legay, R W Frei
Journal of Chromatography|February 21, 1986
Comparison of electrochemical detection methods in liquid chromatography for the determination of N-acetylcysteine in plasmaW T Kok, J J Halvax, R W Frei
Pageof 11