Research Article

The Use of Silver Solid Amalgam Electrodes for Voltammetric and Amperometric Determination of Nitrated Polyaromatic Compounds Used as Markers of Incomplete Combustion

Figure 3

DC (a) and DP (b) voltammograms of 1-NP at m-AgSAE in a methanol—0.01 mol L−1 NaOH pH 12.0 (7 : 3, p H 𝑓 12.2) mixture at the lowest attainable concentration range: (a) 𝑐 (1-NP) = 1 · 10−5 (1), 8 · 10−6 (2), 6 · 10−6 (3), 4 · 10−6 (4), 2 · 10−6 (5), 0 (6) mol L−1, and (b) 1 · 10−6 (1), 8 · 10−7 (2), 6 · 10−7 (3), 4 · 10−7 (4), 2 · 10−7) (5), 0 (6) mol L−1. 𝐸 i n = 5 0  mV, 𝐸 n = 1 8 0 0  mV.
231986.fig.003a
(a)
231986.fig.003b
(b)