کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1331388 1500118 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Low temperature synthesis of τ-zirconium hydrogenophosphate [τ-Zr(HPO4)2] and a new sodic form obtained by ion exchange
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی معدنی
پیش نمایش صفحه اول مقاله
Low temperature synthesis of τ-zirconium hydrogenophosphate [τ-Zr(HPO4)2] and a new sodic form obtained by ion exchange
چکیده انگلیسی

A new method for the synthesis of 3-D τ-zirconium hydrogenophosphate (TZP) was developed using solid-state reactions at low temperature and atmospheric pressure in a nitrogen atmosphere in a two-hour reaction time. The characterization of the compound was performed using X-ray diffraction, infrared spectroscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy, differential scanning calorimetric, thermochemical analysis and X-ray photoelectron spectroscopy. A sodic form of the compound obtained by the immersion of TZP in a sodium hydroxide solution was characterized using the same techniques along with neutron activation analysis. The XPS spectra confirm the binding energy value for sodium–oxygen, and the XRD diffraction reveals the formation of a new sodium compound.

DRX, XPS and MEB of τ-zirconium hydrogenophosphate and its sodic form on the surface of TZP.Figure optionsDownload as PowerPoint slideHighlights
► New method for the syntheses of 3-D τ-zirconium hydrogenophosphate (TZP).
► A sodic form of the TZP was obtained by the immersion of TZP in a sodium hydroxide.
► The sodium compound is only formed on the TZP surface.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Solid State Chemistry - Volume 198, February 2013, Pages 238–245
نویسندگان
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