Parameter AM AT
Sample number 28 36
Linear range (mgL-1) 0.3-40.0 0.1-100.0
Intercept of calibration curve 5.2×10-3 2.3×10-2
Slope of calibration curve 3.7 ×10-2                           2.8×10-2
Standard error of intercept 2.1×10-3                            2.9×10-3
Standard error of slope 1.3×10-4 8.5×10-3
Correlation coefficient 0.997 0.997
Limit of detection (mgL-1) 1.1×10-2 6.2×10-2
Limit of quantitation (mgL-1) 3.7×10-1 0.2
Table 1: Parameters resulted from univariate calibration for AM and AT.