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Cerius
Space Cowboy


Registered: 04/27/05
Posts: 297
Last seen: 7 years, 3 months
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Raising boiling temp.==Eliminating the need for a Pressure cooker.
#6560602 - 02/12/07 09:52 PM (17 years, 3 months ago) |
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Sterilization occurs at 220 Fareinheit, I presume. The temp. of boiling water is 212. It's pretty damn close. I've realized through a chem friend you can raise the boiling temp by adding sugar. I calculated it and you'd need to add 6-7 lbs of sugar to a huge ass pot of water to raise the boiling temp to 220. Any possible apps?
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Tamadragon
Stranger


Registered: 02/29/04
Posts: 382
Loc: CAN
Last seen: 15 years, 7 months
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: Cerius]
#6560692 - 02/12/07 10:11 PM (17 years, 3 months ago) |
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uhmm i have using boiling water in a stock pot many times to sterilize the jars (ie the cakes in the jars) you just have a tin foil lid and boil for more than an hour. i simply added water little by little every once and a while as it boiled off. now with a pc i have no worries tho. i have yet to get a contam with a pc. with boiling it was hit and miss. sometimes i lost all of my jars. sometimes i didn't
6-7 lbs of sugar in a huge pot would make a syrup goo. not sure if you want to do that. why not just boil for longer? and have a higher water level in the pot?
-------------------- ~Tama Peace I get real lonely
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usg543
◕‿◕

Registered: 02/11/07
Posts: 5,192
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: Cerius]
#6560727 - 02/12/07 10:19 PM (17 years, 3 months ago) |
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sugar? maybe. check out salt though, just add a pinch and it works like a charm.
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fastfred
Old Hand



Registered: 05/17/04
Posts: 6,899
Loc: Dark side of the moon
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: usg543]
#6561863 - 02/13/07 05:32 AM (17 years, 3 months ago) |
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Sugar won't work. For colligative properties (boiling point elevation) the substance must disassociate. Sugar dissolves in water, but does not disassociate like salt.
A saturated salt solution supposedly boils at 109C, so that wouldn't be enough. You need 120C for sterilization.
There's also another reason that it wouldn't work. The water in your substrate will be unsalted water, so it would boil away at 100C, well before your saturated salt solution even hit 109C. So all you'd end up doing is boiling your jars dry. If you tried to seal the jars to keep the water in they would simply explode.
-FF
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Tamadragon
Stranger


Registered: 02/29/04
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: fastfred]
#6562393 - 02/13/07 10:39 AM (17 years, 3 months ago) |
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that may explain why my cakes were so dry. never thought about it. i'll never boil again
-------------------- ~Tama Peace I get real lonely
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: fastfred]
#6562419 - 02/13/07 10:49 AM (17 years, 3 months ago) |
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Quote:
fastfred said:
There's also another reason that it wouldn't work. The water in your substrate will be unsalted water, so it would boil away at 100C, well before your saturated salt solution even hit 109C. So all you'd end up doing is boiling your jars dry. -FF
Exactly what i was going to say before closing the thread. This is a basic science question and not advanced mycology. Please read the forum guidelines before posting. Thanks. Click. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 1 year, 2 months
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Re: Raising boiling temp.==Eliminating the need for a Pressure cooker. [Re: Cerius]
#6562423 - 02/13/07 10:49 AM (17 years, 3 months ago) |
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This thread has been closed.
Reason: as stated above
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