Incorporation of fluorophosphate into zinc–aluminium–nitrate layered double hydroxide by ion exchange
Source abstract
Abstract
The intercalation of fluorophosphate (PO3F2 − , FP) in the [Zn–Al] layered double hydroxides (LDHs) was investigated. A nitrate precursor was prepared by coprecipitaion at pH 9. An attempt to intercalate FP by direct coprecipitation reaction led to a poorly crystalline LDH phase. The effects of pH, aging time and anion concentration were studied and allowed to confirm that the best crystalline material, with high exchange extent, was obtained by carrying out the exchange at 25 °C in 0·1 M FP solution at pH 9 with at least 20 h of aging time.
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Research context
OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Magnesium Oxide Properties and Applications · Inorganic Chemistry and Materials
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