. 2023 Jan 5;9(1):e12844. doi: 10.1016/j.heliyon.2023.e12844

Table 4.

Limits of Detection (LODs) calculated from the reagent blank for each method.

Element	LOD for Method			LOD (HNO₃HF, H₃BO₃) [10] ^a	LOD (HNO₃HF, H₃BO₃) [9]
	1	2	3	LOD (HNO₃HF, H₃BO₃) [10] ^a	LOD (HNO₃HF, H₃BO₃) [9]
	(μg L⁻¹)			(μg L⁻¹)	(μg L⁻¹)
Na	0.004	0.118	0.096		0.921
Mg	0.070	0.408	2.539		0.398
Al	1.144	1.440	7.420	7.6	4.025
Si	2.556	28.86	51.93
K	1.924	2.606	1.689
Ca	17.77	40.06	23.47
Ti	0.622	0.559	1.322	1.1	4.056
V	0.008	0.027	0.014	0.11	0.051
Cr	0.033	0.032	0.016	1.1	0.363
Mn	0.015	0.028	0.027	0.22	0.021
Fe	0.857	2.121	2.644	10.8	3.246
Ni	0.047	0.022	0.132	0.86	0.124
Cu	0.025	0.020	0.021	2.2	0.062
Zn	0.313	0.356	0.495	9.7	1.026
As	0.028	0.113	0.074	0.11	0.019
Sr	0.027	0.018	0.113	0.22
Cd	0.011	0.022	0.010	0	0.035
Sb	0.014	2.201	0.858	0.43	0.026
Ba	0.010	0.012	0.018	0.22	0.436
Pb	0.027	0.236	0.196	0.65	0.086

The LODs in this study were reported for filter blanks and hence would be expected to be marginally higher than LODs from reagent blanks.