AL-27 MAS NMR INVESTIGATIONS OF SODIUM ALUMINATES FORMED FROM HIGH PHSOLUTIONS - EVIDENCE OF A COMPLEX POLYMER CONTAINING BOTH 4-COORDINATE AND 6-COORDINATE ALUMINUM
Sm. Bradley et Jv. Hanna, AL-27 MAS NMR INVESTIGATIONS OF SODIUM ALUMINATES FORMED FROM HIGH PHSOLUTIONS - EVIDENCE OF A COMPLEX POLYMER CONTAINING BOTH 4-COORDINATE AND 6-COORDINATE ALUMINUM, Journal of the Chemical Society, Chemical Communications, (16), 1993, pp. 1249-1251
Aluminium-27 MAS NMR studies of sodium aluminates and aluminium hydrox
ides (OH/Al = 5.3-3.9) formed through varying degrees of acid hydrolys
is have revealed four-and-six coordinate aluminium species, suggesting
the formation of complex polyoxoanion and/or polymeric intermediates
in alkaline solution.