2005
Total dynamics of quartz-water system at ambient conditions
FAIMON, JiříZákladní údaje
Originální název
Total dynamics of quartz-water system at ambient conditions
Název česky
Celková dynamika systému křemen-voda za normálních podmínek
Autoři
FAIMON, Jiří (203 Česká republika, garant)
Vydání
Aquatic Geochemistry, Netherlands, Springer Netherlands, 2005, 1380-6165
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
Geochemie
Stát vydavatele
Nizozemské království
Utajení
není předmětem státního či obchodního tajemství
Impakt faktor
Impact factor: 0.963
Kód RIV
RIV/00216224:14310/05:00030986
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000228868000002
Klíčová slova česky
komplex; rozpouštění; dynamika; tok; růst; modelování; PHREEQC; křemen; povrch
Klíčová slova anglicky
complex; dissolution; dynamics; flux; growth; modeling; PHREEQC; quartz; surface
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 23. 9. 2009 15:29, doc. Ing. Jiří Faimon, Dr.
V originále
New data on the dissolution and growth of quartz in acid, nearly neutral and slightly alkaline solutions at ambient conditions are presented. During batch dissolutions, aqueous Si-concentrations increased nonlinearly towards limit values. During parallel growth experiments, however, the high Si-concentrations corresponding to 13-fold supersaturation with respect to quartz did not decreased. To interpret these results, two dynamic models (1) a reaction model and (2) a surface-complexation model, were derived. Both models were focused on (a) reversible dissolution/growth of bulk quartz and b) irreversible dissolution of disturbed quartz (weakly bounded Si-atoms) on new surface.
Česky
New data on the dissolution and growth of quartz in acid, nearly neutral and slightly alkaline solutions at ambient conditions are presented. During batch dissolutions, aqueous Si-concentrations increased nonlinearly towards limit values. During parallel growth experiments, however, the high Si-concentrations corresponding to 13-fold supersaturation with respect to quartz did not decreased. To interpret these results, two dynamic models (1) a reaction model and (2) a surface-complexation model, were derived. Both models were focused on (a) reversible dissolution/growth of bulk quartz and b) irreversible dissolution of disturbed quartz (weakly bounded Si-atoms) on new surface.
Návaznosti
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