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R W Frei

Showing results (51-60 of 103) with videos related to

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Journal - Association of Official Analytical Chemists|January 1, 1974
Thin layer chromatography and in situ fluorometry for the quantitative determination of dimethoate and malathion in lettuceJ D MacNeil, B L MacLellan, R W Frei
Journal of Chromatography|January 28, 1983
Amperometric detection of amino acids in high-performance liquid chromatography with a copper electrodeW T Kok, U A Brinkman, R W Frei
Journal of Pharmaceutical and Biomedical Analysis|January 1, 1983
Rapid determination of phenylalanine and tyrosine in urine and serum by HPLC with electrochemical detectionW T Kok, U A Brinkman, R W Frei
Mikrochimica Acta|January 1, 1973
Quantitative analysis of 3-indoleacetic acid and serotonin by in situ fluorescence on thin-layer chromatogramsM Häusler, J D MacNeil, R W Frei, et al.
Analytical Biochemistry|January 1, 1972
Characterization of indoles by thin-layer chromatography and in situ fluorometryJ D Macneil, M Häusler, R W Frei, et al.
Journal - Association of Official Analytical Chemists|November 1, 1972
Electron-donor-acceptor complexing reagents in the analysis of pesticides. V. The analysis of pesticide decomposition products via electron-donor-acceptor complexes; photolysis of methoxychlorJ D MacNeil, R W Frei, S Safe, et al.
Journal of Chromatography|September 24, 1986
Parallel column ion exchange for post-separation pH modification in liquid chromatography. Application to barbiturates and miniaturizationH Jansen, C J Vermunt, U A Brinkman, et al.
Analytical Chemistry|August 1, 1985
Sensitive detection of biacetyl in liquid chromatography using time-resolved sensitized phosphorescenceR A Baumann, C Gooijer, N H Velthorst, et al.
International Journal of Environmental Analytical Chemistry|January 1, 1983
Room temperature phosphorescence as a liquid chromatographic detection method for polychlorinated naphthalenes and biphenyls in complex matricesJ J Donkerbroek, C Gooijer, N H Velthorst, et al.
Journal of Bioluminescence and Chemiluminescence|July 1, 1989
On the mechanism of peroxyoxalate chemiluminescence. Quenched chemiluminescence as a detection method in HPLCC Gooijer, P van Zoonen, N H Velthorst, et al.
Pageof 11

Showing results (51-60 of 103) with videos related to

Sort By:
Pageof 11
Journal - Association of Official Analytical Chemists|January 1, 1974
Thin layer chromatography and in situ fluorometry for the quantitative determination of dimethoate and malathion in lettuceJ D MacNeil, B L MacLellan, R W Frei
Journal of Chromatography|January 28, 1983
Amperometric detection of amino acids in high-performance liquid chromatography with a copper electrodeW T Kok, U A Brinkman, R W Frei
Journal of Pharmaceutical and Biomedical Analysis|January 1, 1983
Rapid determination of phenylalanine and tyrosine in urine and serum by HPLC with electrochemical detectionW T Kok, U A Brinkman, R W Frei
Mikrochimica Acta|January 1, 1973
Quantitative analysis of 3-indoleacetic acid and serotonin by in situ fluorescence on thin-layer chromatogramsM Häusler, J D MacNeil, R W Frei, et al.
Analytical Biochemistry|January 1, 1972
Characterization of indoles by thin-layer chromatography and in situ fluorometryJ D Macneil, M Häusler, R W Frei, et al.
Journal - Association of Official Analytical Chemists|November 1, 1972
Electron-donor-acceptor complexing reagents in the analysis of pesticides. V. The analysis of pesticide decomposition products via electron-donor-acceptor complexes; photolysis of methoxychlorJ D MacNeil, R W Frei, S Safe, et al.
Journal of Chromatography|September 24, 1986
Parallel column ion exchange for post-separation pH modification in liquid chromatography. Application to barbiturates and miniaturizationH Jansen, C J Vermunt, U A Brinkman, et al.
Analytical Chemistry|August 1, 1985
Sensitive detection of biacetyl in liquid chromatography using time-resolved sensitized phosphorescenceR A Baumann, C Gooijer, N H Velthorst, et al.
International Journal of Environmental Analytical Chemistry|January 1, 1983
Room temperature phosphorescence as a liquid chromatographic detection method for polychlorinated naphthalenes and biphenyls in complex matricesJ J Donkerbroek, C Gooijer, N H Velthorst, et al.
Journal of Bioluminescence and Chemiluminescence|July 1, 1989
On the mechanism of peroxyoxalate chemiluminescence. Quenched chemiluminescence as a detection method in HPLCC Gooijer, P van Zoonen, N H Velthorst, et al.
Pageof 11