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. 2023 Jun 9;8(25):22866–22875. doi: 10.1021/acsomega.3c01856

Table 3. Analytical Response Characteristics of the Trap Method and the GFAAS Method.

  Pt-coated W-coil HGAAS GFAAS
LOD, ng L–1 3.3 217.3
LOQ, ng L–1 11.0 724.4
RSD% (n = 11) 2.3 3.5
linear range, μg L–1 0.01–10.0 5.0–200.0
C0, ng L–1 21.3 691.8
calibration equationa y = 0.2029[Pb] + 0.0344 y = 0.0058[Pb] + 0.0221
sample volume, mL 6.83 0.01
trapping time, s 90  
a

y is absorbance and [Pb] is concentration of Pb in μg L–1.