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Powder XRD, SEM, and Multinuclear MAS‐NMR Investigations of the Interactions Between Glass and Crystalline Phases of Li, Na, or K Ceramic Waste Forms
Author(s) -
Lambregts Marsha J.,
Frank Steven M.
Publication year - 2005
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2005.00350.x
Subject(s) - nepheline , sodalite , frit , magic angle spinning , materials science , magic angle , scanning electron microscope , alkali metal , mineralogy , powder diffraction , metaphosphate , glass ceramic , crystallization , ceramic , zeolite , chemical engineering , nuclear chemistry , analytical chemistry (journal) , crystallography , nuclear magnetic resonance spectroscopy , metallurgy , chemistry , composite material , organic chemistry , phosphate , engineering , catalysis , biochemistry , chromatography
Interactions between the glass and crystalline phases of ceramic waste forms were investigated via powder X‐ray diffraction, scanning electron microscopy, and 29 Si, 27 Al, 23 Na, 7 Li, and 35 Cl magic angle spinning nuclear magnetic resonance spectroscopy. LiCl, NaCl, or KCl waste form samples were made with or without glass. The waste forms containing glass consist of sodalite and glass phases with minor amounts of nepheline. Samples without glass form varying amounts of sodalite and nepheline. The glass frit, intended to bind the zeolite particles together, changes in composition, showing marked increases in aluminum and alkali content.