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. 2022 Nov 17:1–14. Online ahead of print. doi: 10.1007/s13369-022-07391-3

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Fig. 6 — The adsorption isotherm a Langmuir adsorption isotherm and b Freundlich adsorption isotherm for the adsorption of CV on water hyacinth powder and the adsorption kinetic, c pseudo-first-order plots, and d pseudo-second-order plots for the adsorption of CV on WHP