“…Desalting improved resolution, but remaining peptides may interfere with the analysis of the basic amino acids. Desalting with Bio-Rad AG 11A8 resin was most efficient and removed peptides to give a reproducible and quantitative recovery of amino acids (648). Desalting of untreated urine can be carried out on a plate that supports both a stronglyacidic cation exchanger and a cellulose layer.…”
Section: Column Adsorption and Partition Chromatographymentioning
confidence: 99%
“…TLC has been combined with ring colorimetry for the microanalysis of platinum metals (649) and other metals (645, 646,648). Emission spectroscopy after elution was used to determine alkaline earth metals (415).…”
Section: Column Adsorption and Partition Chromatographymentioning
confidence: 99%
“…Cephalothin and its metabolite deacetylcephalothin in urine and biological fluids have been studied by paper chromatography (582). The production of cyathin has been monitored by thin-layer chromatography on silica gel G (648). Tylosin has been determined in biological materials and feeds by thin-layer chromatography (298).…”
Section: Neutral Diol Plasmologens Have Been Synthesizedmentioning
“…Desalting improved resolution, but remaining peptides may interfere with the analysis of the basic amino acids. Desalting with Bio-Rad AG 11A8 resin was most efficient and removed peptides to give a reproducible and quantitative recovery of amino acids (648). Desalting of untreated urine can be carried out on a plate that supports both a stronglyacidic cation exchanger and a cellulose layer.…”
Section: Column Adsorption and Partition Chromatographymentioning
confidence: 99%
“…TLC has been combined with ring colorimetry for the microanalysis of platinum metals (649) and other metals (645, 646,648). Emission spectroscopy after elution was used to determine alkaline earth metals (415).…”
Section: Column Adsorption and Partition Chromatographymentioning
confidence: 99%
“…Cephalothin and its metabolite deacetylcephalothin in urine and biological fluids have been studied by paper chromatography (582). The production of cyathin has been monitored by thin-layer chromatography on silica gel G (648). Tylosin has been determined in biological materials and feeds by thin-layer chromatography (298).…”
Section: Neutral Diol Plasmologens Have Been Synthesizedmentioning
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