ENRICHMENT OF AMINO AND CARBOXYLIC-ACIDS USING COPPER-LOADED SILICA PRE-COLUMNS COUPLED ONLINE WITH HPLC

[1] FREI R W, 1981, Trends in Analytical Chemistry, V1, P45, DOI 10.1016/0165-9936(91)80010-P

[2] FREI RW, 1984, SWISS CHEM, V6, P55

[3] ANALYSIS OF CURRENTLY AVAILABLE ANALGESIC TABLETS BY MODERN LIQUID-CHROMATOGRAPHY - AN UNDERGRADUATE LABORATORY INTRODUCTION TO HPLC [J]. JOURNAL OF CHEMICAL EDUCATION, 1983, 60 (02) : 163 - 166

[4] SURFACTANT ION-PAIR HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY OF TRYPTOPHAN AND SOME OF ITS METABOLITES IN BIOLOGICAL-FLUIDS [J]. JOURNAL OF CHROMATOGRAPHY, 1979, 162 (02): : 153 - 161

[5] SELTCH SM, 1975, INORG CHEM, V14, P2175

[1] FREI R W, 1981, Trends in Analytical Chemistry, V1, P45, DOI 10.1016/0165-9936(91)80010-P

[2] FREI RW, 1984, SWISS CHEM, V6, P55

[3] ANALYSIS OF CURRENTLY AVAILABLE ANALGESIC TABLETS BY MODERN LIQUID-CHROMATOGRAPHY - AN UNDERGRADUATE LABORATORY INTRODUCTION TO HPLC [J]. JOURNAL OF CHEMICAL EDUCATION, 1983, 60 (02) : 163 - 166

[4] SURFACTANT ION-PAIR HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY OF TRYPTOPHAN AND SOME OF ITS METABOLITES IN BIOLOGICAL-FLUIDS [J]. JOURNAL OF CHROMATOGRAPHY, 1979, 162 (02): : 153 - 161

[5] SELTCH SM, 1975, INORG CHEM, V14, P2175