Quantifying Silica Reactivity in Subsurface Environments: An Integrated Experimental Study of Quartz and Amorphous Silica to Establish a Baseline for Glass Durability | Zendy

Patricia M. Dove | Zendy

Open Access

Quantifying Silica Reactivity in Subsurface Environments: An Integrated Experimental Study of Quartz and Amorphous Silica to Establish a Baseline for Glass Durability

Author(s) -

Patricia M. Dove

Publication year - 2001

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/834676

Subject(s) - reactivity (psychology) , amorphous solid , silicate , quartz , materials science , durability , silicate glass , mineral , amorphous silica , mineralogy , kinetics , natural (archaeology) , chemical engineering , chemistry , geology , composite material , metallurgy , engineering , organic chemistry , physics , medicine , paleontology , alternative medicine , pathology , quantum mechanics

An immediate EM science need is a reliable kinetic model that predicts long-term waste glass performance. A framework for which the kinetics of mineral-solution reactions can be used to interpret complex silicate glass properties is required to accurately describe the current and future behavior of glasses as synthetic monoliths or natural analogs. Reaction rates and mechanisms are essential elements in deciphering mineral/material reactivity trends within a compositional series or across a matrix of complex solution compositions. An essential place to start, and the goal of this research, is to quantify the reactivity of crystalline and amorphous SiO2 phases in the complex fluids of natural systems

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