Quartz dissolution kinetics from 100–200°C as a function of pH and ionic strength

Dissolution of thin SiO2-coatings – Characterization and evaluation

“…The published dissolution data could be divided into acid-, water-, and base-catalyzed regions, and the respective rate law is segmented as well [16,21,22]. In many studies a pH dependency in the acid region is not observed or pronounced so that the pH-independence from the water region is extended to low pH values.…”

Evolution of fluid chemistry in quartz compaction systems: Experimental investigations and numerical modeling

“…Critical investigations include experiments conducted over a wide range of conditions (Rimstidt and Barnes, 1980;Knauss and Wolery, 1988;Brady and Walther, 1990;Dove and Crerar, 1990;Dove, 1994;Franklin et al, 1994;Tester et al, 1994;Worley et al, 1996;Rimstidt, 1997) and theoretical models (Lasaga, 1984;Lichtner, 1988;Lasaga and Rye, 1993;Dove, 1994;Steefel and Lasaga, 1994;Bolton et al, 1999). These studies were focused on the systems without the effects of stress on dissolution kinetics.…”

Kinetics of the dissolution of sand into alkaline solutions: application of a modified shrinking core model

“…In the study carried out by Worley et al (1996), it was reported that the value of the reaction order with respect to OH À depends on the temperature of dissolution and lies between 0.72 at 100 jC and 0.88 at 200 jC.…”

“…Studying the Ottowa sand, particle size fraction 590 -850 Am, Worley et al (1996) noted the difference between the geometric and BET surfaces areas. The S BET was 325 m 2 g À 1 , and the geometric one was 32 cm 2 g À 1 .…”