Research Article

The Use of 7,7′,8,8′-Tetracyanoquinodimethane for the Spectrophotometric Determination of Some Primary Amines Application to Real Water Samples

Figure 2

Absorption spectra for the complexes of 0.5 mL of 1 × 10−3 M TCNQ and (a) 1 μg/mL ethylamine and (b) 2 μg/mL 1,2-diaminopropane versus blank.
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