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 stefan
work in progress
Registered: 04/11/01
Posts: 8,932
Loc: The Netherlands
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 Does heat destroy H2O2? 
#644173 - 05/25/02 12:39 AM (16 years, 8 months ago) |
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will H2O2 be destroyed when pressure cooked or microwaved?
tx
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francisco
Richman Sporeman
Registered: 01/15/02
Posts: 133
Loc: USA
Last seen: 6 months, 5 days
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 Re: Does heat destroy H2O2? [Re: stefan]
#644249 - 05/25/02 03:39 AM (16 years, 8 months ago) |
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Yes to both.around 140 F it becomes unstable.
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Well...Maybe just a little.
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stefan
work in progress
Registered: 04/11/01
Posts: 8,932
Loc: The Netherlands
Last seen: 9 months, 2 days
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Re: Does heat destroy H2O2? [Re: francisco]
#644260 - 05/25/02 04:28 AM (16 years, 8 months ago) |
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thanks. But how do I make peroxide agar then? add the H2O2 when the agar is still fluid but cooled down a little?
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Seuss
Error: divide byzero
Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 8 months, 25 days
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Re: Does heat destroy H2O2? [Re: stefan]
#644331 - 05/25/02 06:33 AM (16 years, 8 months ago) |
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> add the H2O2 when the agar is still fluid but cooled down a little?
Yes. Once the agar solution has cooled, but before it sets, add the h2o2 and swirl it around to mix it in.
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Just another spore in the wind.
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stefan
work in progress
Registered: 04/11/01
Posts: 8,932
Loc: The Netherlands
Last seen: 9 months, 2 days
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Re: Does heat destroy H2O2? [Re: stefan]
#644355 - 05/25/02 07:29 AM (16 years, 8 months ago) |
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thanks!
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 Zen Peddler
 
Registered: 06/18/01
Posts: 6,379
Loc: orbit
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Re: Does heat destroy H2O2? [Re: Seuss]
#645263 - 05/25/02 10:05 PM (16 years, 8 months ago) |
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Dimitri tells me that a good level is around 10ccs of h202 per 500ml of agar
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