Detection Of Amines With Dichloroacetaldehyde And Chloral-Dichoroacetaldehyde Copolymer

Abstract

Methods are described for the detection of amines as vapors and in solution. The lower limit of detection of diethylamine or triethylamine vapors by drawing the vapor through a detector tube containing silica gel impregnated with dichloroacetaldehyde and then heating is 25 μg. As low as 1 μg of the same amines can be detected In aqueous solution by the degradation of a chloral-dichloroacetaldehyde copolymer. Detection signal in the latter case is the appearance of fluorescence when liberated monomer dissolves a 2-diphenylacetyl-1,3-indandione derivative.