29Si NMR studies of the transformation of silicate anions in the system Na2O·SiO2·nH2O (n= 9,5) in crystals, melts, and solution

Autor:	Hubert Koller, Günter Engelhardt, Jürgen Felsche
Rok vydání:	1990
Předmět:	chemistry.chemical_compound Crystallography Hydrolysis Reaction mechanism Monomer chemistry Inorganic chemistry Molecular Medicine Sodium silicate Nuclear magnetic resonance spectroscopy Hydrate Oligomer Silicate
Zdroj:	J. Chem. Soc., Chem. Commun.. :371-372
ISSN:	0022-4936
Popis:	A combined solid- and liquid-state 29Si NMR study shows that the monomeric silicate anions of crystalline sodium silicate hydrates Na2H2SiO4·nH2O (n= 8,4) upon melting undergo rapid condensation to distinct oligomer species, and that recrystallization of the melt involves hydrolysis of the oligomers and reconstitution of the initial monomeric silicate structure.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::566b9f3a8dfe3323ed90f38ce66e3cdb https://doi.org/10.1039/c39900000371 Zobrazit plný text záznamu