Pj. Dirken et al., COMPLETE RESOLUTION OF SI-O-SI AND SI-O-AL FRAGMENTS IN AN ALUMINOSILICATE GLASS BY O-17 MULTIPLE-QUANTUM MAGIC-ANGLE-SPINNING NMR-SPECTROSCOPY, Chemical physics letters, 266(5-6), 1997, pp. 568-574
Complete NMR resolution of Si-O-Si and Si-O-Al species in an aluminosi
licate glass (NaAlSi3O8) is shown using O-17 multiple quantum magic an
gle spinning (MAS) NMR and indicates that no Al-O-Al is present at the
detection limit of 0.5%.