https://www.researchgate.net/publication/302044379_Thermodynamic_parameters_of_cadmium_adsorption_onto_orange_peel_calculated_from_various_methods_A_comparison_study
Article Thermodynamic parameters of cadmium adsorption onto orange p...
Regardless of the dimensionalization aspect of the problem, the following reference excellently clarifies both analytical and experimental issues about the distribution coefficient measurement:
https://www.orau.org/ptp/PTP%20Library/library/Subject/Environmental/kdsc.pdf
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