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Backyard Ballistics This forum is dedicated to the safe teaching and responsible handling of high and low explosives. You will not find any information on how to make "bombs" or any such device(s) . Backyard ballistics will teach you the science and the art of pyrotechnics and how to manufacture and use explosives/pyrotechnics safely and responsibly. Backyard ballistics is also a haven for rocketry and pneumatic cannons. All information contained within this forum is for educational purposes ONLY. Totse does not accept responsiblity for any incident involving the use of the information contained within this forum.

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Old 2004-10-02 23:22
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Smalltown USA
Default Concentrating H2O2

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I'll jump right into it... I boiled 800 ml H2O2 down to 80 ml. I then tried (for like an hour) to calculate it's percentage by density, but haven't come up with any credible results yet . ...
 excerpt 2 of 5 
Old 2004-10-02 23:58
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Smalltown USA
Default Re: Concentrating H2O2

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Only under the assumption that no peroxide what-so-ever evaporated. And thank you, that's the first time I've been called upstanding (even if it is followed by newbie ...
 excerpt 3 of 5 
Old 2004-10-03 00:22
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Smalltown USA
Default Re: Concentrating H2O2

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Spank you, spank you very much. If I can't figure out a more accurate way (though a good density chart would solve it) I will just calculate for it being around 28% for peace of mind.
 excerpt 4 of 5 
Old 2004-10-03 00:52
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Smalltown USA
Default Re: Concentrating H2O2

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The very last post was most informative. Now if only I knew how much you would need to freeze out of a 3% solution until it reached equilibrium
 excerpt 5 of 5 
Old 2004-10-03 14:28
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Smalltown USA
Default Re: Concentrating H2O2

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send the files in an unmarked black briefcase,with the inscription "care of Mr. Sanders" written in sarif font on the inner lining. Fill any extra space with used panties from the vending machine on...
 
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