Opas Bunkoed et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(2), 167-175 (2012-01-17)
A simple and high collection efficiency sampling method was developed for the monitoring of carbonyl compounds, i.e., formaldehyde, acetaldehyde, benzaldehyde, acetone and butanone. The determination is based on the reaction of these compounds in a sensitive absorbing solution of 2,4-DNPH.