The Use of 7,7′,8,8′-Tetracyanoquinodimethane for the Spectrophotometric Determination of Some Primary Amines Application to Real Water Samples
Figure 1
Absorption spectra for the complexes of 0.5 mL of 1 × 10−3 M TCNQ with (a) 2 μg/mL aniline, (b) 2 μg/mL p-aminophenol, and (c) 0.75 μg/mL benzidine versus blank reagent.