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首页> 外文期刊>New Journal of Chemistry >Aluminium phosphate behaviour in Na3AlF6-Al2O3 melts: a new insight from in situ high temperature NMR measurements
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Aluminium phosphate behaviour in Na3AlF6-Al2O3 melts: a new insight from in situ high temperature NMR measurements

机译:Na3AlF6-Al2O3熔体中磷酸铝的行为:原位高温NMR测量的新见解

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摘要

The effects of aluminium phosphate dissolution on speciation in Na3AlF6-Al2O3 melts was studied. The structural description was performed via multinuctear (O-17, F-19, Na-23, Al-27, and P-31) NMR measurements in situ at high temperature (HT) in melts of the Na3AlF6-Al2O3-AlPO4 system. Consistent with our previous findings, the PO43-, AlF52-, Al2OF62-, Al2O2F42-, and (AlF4-O-PO3)(4-) anions are present in the melt. When AlPO4, is introduced in the melt containing alumina, the formation of Al-O-P linkages become more favorable compared with the system without alumina.
机译:研究了磷酸铝溶解对Na3AlF6-Al2O3熔体中形态的影响。结构描述是通过在Na3AlF6-Al2O3-AlPO4系统的熔体中于高温(HT)下进行的多核(O-17,F-19,Na-23,Al-27和P-31)NMR原位测量而进行的。与我们之前的发现一致,熔体中存在PO43-,AlF52-,Al2OF62-,Al2O2F42-和(AlF4-O-PO3)(4-)阴离子。当将AlPO4引入到含有氧化铝的熔体中时,与没有氧化铝的体系相比,Al-O-P键的形成变得更加有利。

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