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

Table 4

Repeatability (𝑛=7, relative standard deviation, RSD) of peak height 𝐼_𝑝 for 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.

Analyte	DCV		DPV
	RSD of 𝐼𝑝 for; c = 1⋅10^−4 mol L^−1	RSD of 𝐼𝑝 for; (𝐿𝑄-close 𝑐 in mol L^−1)	RSD of 𝐼𝑝 for; c = 1⋅10^−4 mol L^−1	RSD of 𝐼𝑝 for; (𝐿𝑄-close 𝑐 in mol L^−1)
1-NP	1.74	7.89 (8⋅10^−7)	1.52	9.12 (1⋅10^−7)
2-NF	1.32	6.88 (1⋅10^−6)	0.96	3.15 (1⋅10^−7)
3-NFt	1.55	8.14 (4⋅10^−7)	1.10	7.16 (4⋅10^−7)
5-NQ^a	1.83	9.31 (4⋅10^−7)	1.98	8.89 (2⋅10^−7)

^a from [10].