etteyaf dyolf nilknarf tnomerf eneerg ydnurg eirhtug notlimah kcocnah nidrah nosirrah yrneh dra woh tdlobmuh adi a woi noskcaj repsaj nosreffej nosnhoj senoj kukoek htussok eel nnil asiuol sacul noyl nosidam noiram aksaham llahsram sllim llehctim anonom yremogtnom eornom enitacsum neirbo. Clear trends seem to relate particle morphology and structural Fe. smada eekamalla esoonappa nobudua notneb k wah kcalb. Yet, hydration properties of the mineral probably play a major role in ion sorption. The occurrence of 2:1 phyllosilicate contaminants appears, so far, to provide the best explanation for the high charge and potassium selectivity of halloysite. No unique test seems to be ideal to distinguish these 1:1 clay minerals, especially in soils. This review summarizes the extensive but scattered literature on halloysite, from its natural occurrence, through its crystal structure, chemical and morphological diversity, to its reactivity toward organic compounds, ions and salts, involving the various methods of differentiating halloysite from kaolinite.
Diversity also characterizes their chemical composition, cation exchange capacity and potassium selectivity.
Delvaux, B.Ībstract Halloysite clay minerals are ubiquitous in soils and weathered rocks where they occur in a variety of particle shapes and hydration states. Halloysite clay minerals – a review Halloysite clay minerals – a review
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