Analyte λ (nm) Dynamic linear range (mg L-1) Regression equation R2 LOD (mg L-1)
AM          
  238 1.7-20 S=0.019CAM -0.0125 0.981 0.074
  268 1.7-20 S=-0.0229CAM +0.0187 0.967 0.011
  269 1.7-20 S=-0.0228CAM +0.0183 0.968 0.010
  270 1.7-20 S=-0.0224CAM +0.02 0.965 0.010
AT          
  235 3.6-35 S=-0.019CAT -0.0283 0.991 0.079
  256 2.2-35 S=0.012CAT -0.0184 0.986 0.037
  309 2.2-35 S=-0.0167CAT +0.0098 0.991 0.013
  310 2.2-35 S=-0.018CAT +0.008 0.993 0.010
Table 4: Statistical results of calibration curves at zero-cross points for AM and AT.