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Detection of aromatic nitro compounds by means of their π-complexes withN,N-diethylaniline

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
28
Issue
7
Identifiers
DOI: 10.1016/0039-9140(81)80074-4

Abstract

Abstract The π-complexes of nitro-aromatics are found to be more intensely coloured in the solid state than in solution. Thus nitro compounds, on spraying with N, N-diethylaniline on paper or thin-layer plates, yield yellow, red, brown or violet colours when the solvent is evaporated. The detection limit is 1–5 μg. Several donor groups do not vitiate the test when present as substituents.

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