VDI 2467 Blatt 1-1978 Gaseous air pollution measurement; measurement of the concentration of primary and secundary amines; thin layer chromatographic method
1991VDI 2467 Blatt 1-1991 Gaseous air pollution measurement; measurement of the concentration of primary and secondary amines by thin-layer chromatography; visual and densitometric methods
1989VDI 2467 Blatt 1-1989 Messen gasfoermiger Immissionen; Messen der Konzentration von primaeren und sekundaeren Aminen mit der Duennschicht-Chromatographie; Visuelles und densitometrisches Verfahren
1978VDI 2467 Blatt 1-1978 Gaseous air pollution measurement; measurement of the concentration of primary and secundary amines; thin layer chromatographic method