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. 2023 Feb 13;8(7):7063–7069. doi: 10.1021/acsomega.2c07926

Table 2. Comparison of Different Methods Used in This Study.

  FAAS SQT-FAAS SQT-AT-FAAS
LOD, ng mL–1 110 5 0.075
LOQ, ng mL–1 366 16 0.25
linear range, μg L–1 250–5000 25–1000 0.25–2.0
calibration equationa y = 0.0799[Cd]+0.0097 y = 1.6851[Cd]+0.013 y = 0.3531[Cd]+ 0.1454
sample volume, mL     29.6
trapping time, s     210
a

y is the absorbance and [Cd] is the concentration of Cd in ng mL–1.