Determination of aliphatic amines in water by liquid chromatography using solid-phase extraction cartridges for preconcentration and derivatization
Determination of aliphatic amines in water by liquid chromatography using solid-phase extraction cartridges for preconcentration and derivatization
Verdú-Andrés, J.; Campíns-Falcó, P.; Herráez-Hernández, R.
Analyst 126(10): 1683-1688
2001
ISSN/ISBN: 0003-2654
PMID: 11693606
DOI: 10.1039/b104702g
Bond Elut C<sub>18</sub> solid-phase extraction cartridges were used for preconcentration and pre-column derivatization with 3,5-dinitrobenzoyl chloride (DNB) of aliphatic amines in water. Conditions for analyte preconcentration and derivatization (including the volume of sample, concentration of reagent, time of reaction and pH) were investigated, using ethylamine, isopropylamine and dimethylamine as model compounds.