Validation of an analytical method based on the high-resolution continuum source flame atomic absorption spectrometry for the fast-sequential determination of several hazardous/priority hazardous metals in soil

Table 1 Limits of detection (3σ criterion) and quantification (mg/kg) in soil

	HR-CS-FAAS			ICP-OES			Limit of applicability of LR-LS-FAAS^c
	λ (nm)	LOD^a	LOQ^b	λ (nm)	LOD^a	LOQ^b
Ag	328.068	0.18	0.54	328.068	0.12	0.36	-
Cd	228.802	0.14	0.42	214.438	0.05	0.15	>2
Co	240.206	0.36	1.08	228.615	0.15	0.45	>12
Cr	357.869	0.25	0.75	267.716	1.4	4.2	>12
Cu	324.754	0.09	0.27	324.754	0.15	0.45	>5
Ni	232.003	1.0	3.0	305.082	2.5	7.5	>12
Pb	217.000	1.4	4.2	220.351	2.5	7.5	>15
Zn	213.856	0.18	0.54	213.856	0.04	0.12	>2

^a – LOD calculated for an amount of 1.000 g soil mineralized and diluted to 100 ml solution.
^b – LOQ considered three times LOD.
^c – according to [53].

ISSN: 2661-801X