When normalized by initial surface area, crystalline and amorphous albite release Si and Al at the same rate within error (+/-40%) as measured at pH 2, 5.6, and 8.4 at 25°C. Differences in density and tetrahedral ring ...
Hamilton J.P.; Pantano C.G.; Brantley S.L.; Criscenti L.J.; Kubicki J.D.(2001)
SLB acknowledges many educational and entertaining conversations with Hal Helgeson (ranging from kinetics to bent head morphologies) over the last 17 years.To investigate the effects of changing the Al/Si ratio on plagioclase ...
Tsomaia N.; Mueller K.T.; Brantley S.L.; Hamilton J.P.; Pantano C.G.(2003)
Five sodium aluminosilicate glasses in the series Na 2O: xAl 2O 3:(3-x) SiO 2 and Na 2O:Al 2O 3:ySiO 2 were prepared and subjected to leaching at pH 2 under ambient conditions for up to 1000 h. Solid-state nuclear magnetic ...