Search research articles
Contact Us
Filters
Showing results (31-40 of 103) with videos related to
Page
of 11
Sort By:
Journal of Chromatography
|
May 21, 1975
The liquid chromatographic properties of phenothiazines
W Lindner, R W Frei, W Santi
Journal of Chromatography
|
July 7, 1976
Rapid and sensitive high-resolution procedure for digitalis glycoside analysis by derivatization liquid chromatography
F Nachtmann, H Spitzy, R W Frei
International Journal of Environmental Analytical Chemistry
|
November 1, 1971
Quantitative determination of azinphosmethyl (guthion) in blueberries by thin-layer chromatography and in situ fluorescence spectroscopy
R W Frei, V Mallet, M Thiébaud
Journal of Chromatography
|
February 18, 1976
Fluorescence densitometric method for the determination of gluconic and lactobionic acids ("sugar acids") in pharmaceutical preparations
G Gübitz, R W Frei, H Bethke
Journal of Chromatographic Science
|
August 1, 1976
Separation of drug substances by modern liquid chromatography on silver impregnated silica gels
R Aigner, H Spitzy, R W Frei
Journal of Chromatography
|
July 8, 1971
Flavones as fluorogenic spray reagents for organothiophosphorus pesticides on silica gel layers
R W Frei, V Mallet, C Pothier
Journal of Chromatography
|
June 23, 1976
Fluorogenic labeling of organophosphate pesticides with dansyl chloride. Application to residue analysis by high-pressure liquid chromatography and thin-layer chromatography
J E Lawrence, C Renault, R W Frei
Journal of Chromatography
|
August 11, 1989
Post-column reactors for sensitive and selective detection in high-performance liquid chromatography: categorization and applications
U A Brinkman, R W Frei, H Lingeman
Journal of Chromatography
|
May 25, 1988
Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detection
H Jansen, U A Brinkman, R W Frei
Mikrochimica Acta
|
January 1, 1973
Electron-donor-acceptor complexing reagents in the analysis of pesticides. VI. Influence of structure in detection and identification
J D MacNeil, R W Frei, O Hutzinger
Page
of 11
Search research articles
Search
Showing results (31-40 of 103) with videos related to
Sort By:
Page
of 11
Journal of Chromatography
|
May 21, 1975
The liquid chromatographic properties of phenothiazines
W Lindner, R W Frei, W Santi
Journal of Chromatography
|
July 7, 1976
Rapid and sensitive high-resolution procedure for digitalis glycoside analysis by derivatization liquid chromatography
F Nachtmann, H Spitzy, R W Frei
International Journal of Environmental Analytical Chemistry
|
November 1, 1971
Quantitative determination of azinphosmethyl (guthion) in blueberries by thin-layer chromatography and in situ fluorescence spectroscopy
R W Frei, V Mallet, M Thiébaud
Journal of Chromatography
|
February 18, 1976
Fluorescence densitometric method for the determination of gluconic and lactobionic acids ("sugar acids") in pharmaceutical preparations
G Gübitz, R W Frei, H Bethke
Journal of Chromatographic Science
|
August 1, 1976
Separation of drug substances by modern liquid chromatography on silver impregnated silica gels
R Aigner, H Spitzy, R W Frei
Journal of Chromatography
|
July 8, 1971
Flavones as fluorogenic spray reagents for organothiophosphorus pesticides on silica gel layers
R W Frei, V Mallet, C Pothier
Journal of Chromatography
|
June 23, 1976
Fluorogenic labeling of organophosphate pesticides with dansyl chloride. Application to residue analysis by high-pressure liquid chromatography and thin-layer chromatography
J E Lawrence, C Renault, R W Frei
Journal of Chromatography
|
August 11, 1989
Post-column reactors for sensitive and selective detection in high-performance liquid chromatography: categorization and applications
U A Brinkman, R W Frei, H Lingeman
Journal of Chromatography
|
May 25, 1988
Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detection
H Jansen, U A Brinkman, R W Frei
Mikrochimica Acta
|
January 1, 1973
Electron-donor-acceptor complexing reagents in the analysis of pesticides. VI. Influence of structure in detection and identification
J D MacNeil, R W Frei, O Hutzinger
Page
of 11