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Topic: sodium silicate, liquid glass  (Read 3924 times)

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Offline travis

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sodium silicate, liquid glass
« on: March 21, 2007, 09:11:50 PM »
I've tried several methods to make a sodium silicate solution, none so far have worked as well as what you can buy in radiator stop leak. I'm putting recycled glass
in a small ball mill, grinding it very fine and mixing with NaOH. Does this reaction require heat as well. confused
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Offline constant thinker

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Re: sodium silicate, liquid glass
« Reply #1 on: March 21, 2007, 09:20:34 PM »
You could try mixing molten silicon dioxide and sodium carbonate.
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Offline travis

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Re: sodium silicate, liquid glass
« Reply #2 on: March 21, 2007, 10:14:21 PM »
What is the melting point of silcon dioxide?
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Offline constant thinker

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Re: sodium silicate, liquid glass
« Reply #3 on: March 22, 2007, 08:46:50 PM »
Wiki is good for those kinds of things.

http://en.wikipedia.org/wiki/Silicon_dioxide
1650(±75) °C
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Offline Borek

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Re: sodium silicate, liquid glass
« Reply #4 on: March 23, 2007, 04:08:32 AM »
Just don't quote wikipedia as source in any serious paper :)
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