I am planning to study adsorption efficiency of dye at different pH. As we know, some dyes would change colour at different pH. Therefore, is it necessary to plot different calibration curve at each pH? 7 different pH with 4 different dye concentrations would mean 28 solutions that have to be made. Is this a common approach?
You need to determine the best pH for the dsorption efficiency by considering the tested pH used in the study.
The objective of each study in adsorption is to optimize parameters, so firstly when you use different pH you select the best one, then you use it for the other adsorption studies
In a dye adsorption study, you will need to construct separate calibration curves at each pH level if the dye's absorbance or other properties vary significantly with pH. This ensures that accurate concentrations of the dye are determined during the adsorption experiments.
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