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

Table 5

𝐿_𝑄 for the DC voltammetric and DP voltammetric determination of 1-NP, 2-NF, 3-NFt, and 5-NQ at m-AgSAE. Conditions for each analyte are listed in Table 3.

Method	Analyte	LDR^a (μmol L^−1)	Slope (mA mol^−1 L)	Intercept (nA)	Correlation coefficient	𝐿𝑄 (μmol L^−1)
DCV	1-NP	1–100	2.50	9.9	0.9972	3
	2-NF	1–100	1.11	2.8	0.9969	2
	3-NFt	0.4–10	2.30	2.9	0.9933	0.4
	5-NQ^b	0.6–100	1.33	6.8	0.9919	0.5
DPV	1-NP	0.1–100	2.65	7.8	0.9911	0.6
	2-NF	0.1–100	1.20	1.4	0.9976	0.2
	3-NFt	0.4–10	5.50	5.7	0.9985	0.4
	5-NQ^b	0.2–100	1.38	–2.5	0.9925	0.3

^aLinear dynamic range, ^bfrom [10].