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Acta Pharmaceutica Suecica
|
January 1, 1988
The Scheele memorial lecture 1987. Striving for selectivity in pharmaceutical analysis; is chromatography becoming obsolete?
R W Frei
Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry
|
March 21, 2020
Diffuse Reflectance Spectroscopy; Applications, Standards, and Calibration (With Special Reference to Chromatography)
R W Frei
Analytical Chemistry
|
January 1, 1976
Thin layer chromatography/densitometry with transferable calibration factors
H Bethke, R W Frei
Journal of Chromatography
|
February 21, 1977
Quantitative analysis of nonapeptides in pharmaceutical dosage forms by high-performance liquid chromatography
K Krummen, R W Frei
Journal of Chromatography
|
February 1, 1977
The separation of nonapeptides by reversed-phase high-performance liquid chromatography
K Krummen, R W Frei
Journal of Chromatography
|
September 29, 1976
A low-cost gradient system for high-performance liquid chromatography. Quantitation of complex pharmaceutical raw materials
F Erni, R W Frei
Journal of Chromatography
|
January 11, 1977
A comparison of reversed-phase and partition high-performance liquid chromatography of some digitalis glycosides
F Erni, R W Frei
International Journal of Environmental Analytical Chemistry
|
November 1, 1971
Quantitative thin-layer chromatography of organothiophosphorus pesticides by in situ fluorimetry
R W Frei, V Mallet
Journal of Chromatography
|
April 24, 1974
New concepts in densitometry. Control analysis of pharmaceutical formulations
H Bethke, R W Frei
Journal of Chromatography
|
March 24, 1971
An investigation of flavones as fluorogenic spray reagents for organic compounds on a cellulose matrix. II. Detection of pesticides
V Mallet, R W Frei
Page
of 11
Search research articles
Search
Showing results (1-10 of 103) with videos related to
Sort By:
Page
of 11
Acta Pharmaceutica Suecica
|
January 1, 1988
The Scheele memorial lecture 1987. Striving for selectivity in pharmaceutical analysis; is chromatography becoming obsolete?
R W Frei
Journal of Research of the National Bureau of Standards. Section A, Physics and Chemistry
|
March 21, 2020
Diffuse Reflectance Spectroscopy; Applications, Standards, and Calibration (With Special Reference to Chromatography)
R W Frei
Analytical Chemistry
|
January 1, 1976
Thin layer chromatography/densitometry with transferable calibration factors
H Bethke, R W Frei
Journal of Chromatography
|
February 21, 1977
Quantitative analysis of nonapeptides in pharmaceutical dosage forms by high-performance liquid chromatography
K Krummen, R W Frei
Journal of Chromatography
|
February 1, 1977
The separation of nonapeptides by reversed-phase high-performance liquid chromatography
K Krummen, R W Frei
Journal of Chromatography
|
September 29, 1976
A low-cost gradient system for high-performance liquid chromatography. Quantitation of complex pharmaceutical raw materials
F Erni, R W Frei
Journal of Chromatography
|
January 11, 1977
A comparison of reversed-phase and partition high-performance liquid chromatography of some digitalis glycosides
F Erni, R W Frei
International Journal of Environmental Analytical Chemistry
|
November 1, 1971
Quantitative thin-layer chromatography of organothiophosphorus pesticides by in situ fluorimetry
R W Frei, V Mallet
Journal of Chromatography
|
April 24, 1974
New concepts in densitometry. Control analysis of pharmaceutical formulations
H Bethke, R W Frei
Journal of Chromatography
|
March 24, 1971
An investigation of flavones as fluorogenic spray reagents for organic compounds on a cellulose matrix. II. Detection of pesticides
V Mallet, R W Frei
Page
of 11