Parameter

value

λmax

625 nm

Beer’s Law limits

1 - 6 µg/ml

Molar absorptivity (L∙mol−1∙cm−1)

3.53 × 105

Sandell's sensitivity (µg∙cm−2/0.001A.U)

0.0115

Regression equation

y = 0.0842x + 0.0021

Correlation coefficient (r)

0.9999

Coefficient of determination (R2)

0.9998

Std.error of regression (se)

0.00165

Std.error of slope (sb)

0.000395

Limit of Detection (µg/ml)

0.0588

Limit of Quantization (µg/ml)

0.1964

Preconcentration factor

100

RSD% (n = 6) at 5 µg/ml

0.51