Figure 6
The values of the absorbencies ratio as a function of amine concentration. The calibration plots are obtained in water–methanol (◇), 95% ethanol (◯), 10% ethanol (△) and 3% acetic acid (☐) solutions.
Figure 6 | SpringerPlus
The values of the absorbencies ratio as a function of amine concentration. The calibration plots are obtained in water–methanol (◇), 95% ethanol (◯), 10% ethanol (△) and 3% acetic acid (☐) solutions.