Catalytic action of cation-exchange resins for the detection of microgram amounts of amino acids.
D000596:Amino Acids / Q000032:analysis*; D002411:Cation Exchange Resins; D002852:Chromatography, Ion Exchange / Q000379:methods; D008832:Microchemistry
D000596:Amino Acids; D002411:Cation Exchange Resins