Skip to main content

Table 2 Linear equations, R 2 coefficients, values of the standard deviation of y-intercept (SD(A)) and the values of limits of detection (LOD) and quantification (LOQ) for the calibration curve utilizing the absorbance at 430 nm

From: Application of alizarin colorimetric measurements for quantification of amine extraction by model food simulants from epoxy polymer

Calibration data 95% ethanol 10% ethanol 3% acetic acid Water
SD(C) 0.000217 0.001330 0.000484 0.000857
LOD [mg/ml] 0.000254 0.016130 0.002612 0.000733
LOQ [mg/ml] 0.000763 0.048400 0.007838 0.002201
R2 coefficient 0.9975 0.8532 0.9746 0.992
Linear equation y = -2.823x + 0.860 y = -0.272x + 0.127 y = -0.612x + 0.837 y = -3.857x + 1.068