A method has been developed for the direct determination of some alkylamines in aqueous solution using the indirect photometric chromatography technique. The method uses 3-cm columns packed with high-capacity resins and copper sulphate solution as the eluent. The detection limits range from 0.5 to 2 µg ml–1 using a 1-ml sample loop.
B. B. Sithole and R. D. Guy, Analyst, 1986, 111, 395 DOI: 10.1039/AN9861100395
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