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Adsorption of Ca(II), Mg(II), Zn(II), and Cd(II) on Chitosan Membrane Blended with Rice Hull Ash Silica and Polyethylene Glycol | Mahatmanti | Indonesian Journal of Chemistry 21176 40261 1 PB

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Fig 4. Plot of swelling index (%) for Ch, Ch/Si, andCh/Si/P membranes in a buffer solution with various pHs
Fig 5. Effect of various pHs on adsorption of metal ions(a) Ca(II), (b) Mg(II), (c) Zn(II), and (d) Cd(II) ontomembranes
Table 1. Fitting results of the pseudo-first-order and pseudo-second-order kinetic models for adsorption of heavymetal ions onto Ch/Si/P membrane
Table 2. Isotherm constant for adsorption of heavy metal ions onto Ch/Si/P membrane

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Adsorption of Ca(II), Mg(II), Zn(II), and Cd(II) on Chitosan Membrane Blended with Rice Hull Ash Silica and Polyethylene Glycol | Mahatmanti | Indonesian Journal of Chemistry 21176 40261 1 PB

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