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Estimation of nitrogen functional-groups by reaction gas-chromatography - frontal technique Oximes, semicarbazones, nitroanilines, and amino-acids

K. Ventura, K. Komárek, J. Churáček, J. Šafář, and R. Kreuzig

Department of Analytical Chemistry, Institute of Chemical Technology, CS-532 10 Pardubice


Abstract: A method has been elaborated for nitrogen estimation in oximes, semicarbazones, nitroanilines, and amino acids which is based on a compound decomposition in a wet way with gas chromatographic estimation of the elemental nitrogen released by frontal technique. The decomposition of compounds takes place in a reaction apparatus placed before the chromato­graphic part of CHN-1 analyzer (Laboratorní přístroje, Prague). The meth­od elaborated enables both selective and summary nitrogen functional group estimations, offers reliable and precise results and thus extends further applications of the apparatus.

Full paper in Portable Document Format: 425a621.pdf


Chemical Papers 42 (5) 621–629 (1988)

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