. Author manuscript; available in PMC: 2022 Oct 5.

Published in final edited form as: Environ Sci Technol. 2021 Sep 16;55(19):13113–13121. doi: 10.1021/acs.est.1c00937

Table 1:

QA/QC and method detection limits for ICP-MS for target metals

Metal Ions	Method Blanks (n = 7)		Method Detection Limit (ppb, μg/kg) ¹	Standard Recovery (%) (n = 7)	R ²
Metal Ions	Mean	Standard Deviation	Method Detection Limit (ppb, μg/kg) ¹	Standard Recovery (%) (n = 7)	R ²
Ni	1.62	0.923	2.90	97.5±2.23	0.999
Zn	3.20	3.21	10.1	98.6±4.25	0.999
As	0.248	0.058	0.181	99.02±2.14	0.997
Se	0.837	0.316	0.994	97.8±11.3	0.997
Pb	1.21	0.213	0.670	96.2±3.85	0.998

^1:

Method detection limit calculated as three times the standard deviation.