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Topic: How to dissolve SiO[sup]2[/sup]  (Read 3899 times)

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Offline Daimorte

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How to dissolve SiO[sup]2[/sup]
« on: September 29, 2007, 10:31:10 AM »
Is there any way to dissolve this compound other than HF?

Offline UnintentionalChaos

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Re: How to dissolve SiO[sup]2[/sup]
« Reply #1 on: October 02, 2007, 02:00:52 AM »
Alkalies: NaOH, or KOH dissolve SiO2 very slowly to make water glass (sodium or potassium silicate). This goes much much faster with strong, hot lye and very finely powdered SiO2.

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