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. 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 2:

Method detection limits for XRF

Metals XRF
Method
Detection
Limit (ppm,
mg/kg) 1 		R 2
Ni 3.53 0.910
Zn 2.87 0.998
As 1.27 0.972
Se 4.60 1.00
Pb 0.58 0.991
1:

Calculated from the calibration line of the XRF. This limit calculated from calibration parameters can be dependent on sample properties like mass and composition, which vary from sample to sample.