کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1695851 | 1011878 | 2010 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Chromate intercalation in Ni–Zn layered hydroxide salts
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
ژئوشیمی و پترولوژی
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چکیده انگلیسی
An acetate-intercalated Ni–Zn layered hydroxide salt (LHS) was exchanged with chromate anions, achieving a rather large oxometalate concentration, which almost completely balanced the positive charges of the layers, as concluded from element chemical analysis, powder X-ray diffraction, and FT-IR spectroscopy results.Thermal decomposition of the solid led to dehydration and chromate anion grafting, followed by dehydroxylation of the host and reduction of the chromate anions. The solid then lost the layer structure, forming solids with large micro and mesoporosity, which corresponded to poorly crystallized (Zn, Ni)–Cr spinels, as well as nickel and zinc oxides.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Clay Science - Volume 49, Issue 3, July 2010, Pages 176–181
Journal: Applied Clay Science - Volume 49, Issue 3, July 2010, Pages 176–181
نویسندگان
Ricardo Rojas, M. Ángeles Ulibarri, Cristobalina Barriga, Vicente Rives,