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Apr 19, 2013 at 14:44 comment added Gianpaolo R Google Images: glass chemical structure
Apr 19, 2013 at 14:22 comment added student441 Thanks a lot for your response Alan! What I do not understand yet from your answer is: where do the OH-groups on the glass surface come from?
Apr 19, 2013 at 13:12 history answered Alan Boyd CC BY-SA 3.0