Abstract
An improved gas—liquid chromatographic method based on the separation of N-trifluoroacetyl n-butyl esters of amino acids on a “two-column” setup Tabsorb and Tabsorb HAC was developed for the identification and estimation of amino acids in pine needles ( Pinus banksiana Lamb.). A comparative study was made of various available gas—liquid chromatographic methods for separation and estimation of amino acids from pine needle extracts.
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