Adsorption 4 Clay minerals 4 Herbicides 4 Interlayer spaces Montmorillonite 4 Weed control 4 adsorption 4 montmorillonite 4 pH 4 Adsorbent materials 2 Adsorption energies 2 Aluminol 2 Amino moiety 2 Basal spacing 2 Bidentate complexes 2 Clay mineral 2 Complexation 2 Dyes 2 External surfaces 2 FTIR 2 Fe oxide 2 Fourier transform infrared spectroscopy 2 Freundlich models 2 Glyphosate 2 Glyphosates 2 Herbicide 2 Herbicide glyphosate 2 High concentration 2 Inner sphere complexes 2 Internal surfaces 2