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Jan 6, 2009. 12:41 PMromedeiros1970
says:
I am a Chemist, and would like to echo what many have already pointed out: you did not create dry ice. The frozen material is, indeed, water from the air. It is bitter, as you wrote, because of the contaminants from the canned hyrdocarbons, and other contaminants in the air and water vapor. In the future, I would STRONGLY recommend not tasting experiments before fully understanding them. You could easily poison yourself as many alchemists and poor scientists did in the past. NOT dry ice.
Jan 5, 2009. 4:15 AMcornflaker
says:
Haha dude you've commented on pretty much every instructible I read. Do you read like every 'ible there is or do we just happen to read all the same ones? lol
I don't think this is CO2. For one, I don't think those cans of air use CO2... secondly, that appears to be H2O ice formed from condensation in the air, possibly with the gas from the can inside.
yea, dry ice makes a least a little "smoke" when put in water. I don't see any.
Dec 4, 2008. 2:31 PMteapotking
says:
"metal cylinder not aluminium"? last time i checked aluminium was a metal, what kind of extinguisher am i looking for here?
Dec 4, 2008. 6:18 PMjcl236 (author)
says:
A metal cylinder that is not aluminum any other metal should work fine
Nov 23, 2008. 4:30 AMvangxiang
says:
what you got isnot dry ice, it is only ICE. it is come from the steam on the air
Oct 18, 2008. 12:33 AMjcl236 (author)
says:
I would just like to toss one last comment out here as far as the cost of this goes, I know this is a lot to pay for dry ice, but I have lived in a lot of places and in 3 different states NY, PA, and CT and some of the cities were big some were small but getting dry ice in the places I have lived was not as easy as you make it sound, i know you can get 10lb of dry ice for the same price as making it here but if they dont sell it within 50 miles of you and you want a little this is a much better deal
Sep 2, 2008. 6:15 AMkillajones
says:
OR for a third of the price you can buy 50 times as much dry ice from a store.
Aug 26, 2008. 5:59 AMjcl236 (author)
says:
It says it on the can and if you touch anything you sprayed then touch your lips or food with your hands even after you wash them it has a bitter taste.
Aug 25, 2008. 2:43 PM007towelie
says:
tip it upside down and squirt stuff with the air duster its so cool (litteraly) wots in this stuff liquid nitrogen or sumthing
Aug 23, 2008. 10:46 PMpanstar1
says:
most of the dusters use some type of compressed refrigerent ie dicloroethane if I spelled it correctly if you do breath the gas in there is a good chance you will die of sufercate and like mention before most are flammable and can decompose into deadly gases try spraying R12 or R22 into a flame and see how quickly it can kill you I use these duster cans to cool electronic components while soldering / desoldering components if you let a few drops on a q-tip it will say cold for for longer time then without also good on any warts you have as well as cheaper then the 30 dollar kit the sell but I do agree if you need to cool something large buy dry ice instead of wasting a whole can of duster.
Aug 19, 2008. 6:01 PMcooldog
says:
so is this really dry ice? also so all i do is spray the air duster in a can and push down on itr with the beer bottle
Not to rain on the parade...but <wikipedia>
A gas duster, also erroneously referred to as canned air, is a product consisting of liquefied difluoroethane, trifluoroethane, or tetrafluoroethane in a spray can, with a long ..... Gas dusters do not use compressed air, but other inert gases that are much easier to compress into a liquid state. Hydrocarbons, like butane, were often used in the past, but their flammability forced manufacturers to use fluorocarbons.
This stuff is definitely not CO2, and although intert, I wouldnt argue that they're safe; Dust-off's official website has links to 'prevention of inhalation addiction' sites.
Neat project, but I'd have to say *as others have already* not safe, and overly wasteful.
A gas duster, also erroneously referred to as canned air, is a product consisting of liquefied difluoroethane, trifluoroethane, or tetrafluoroethane in a spray can, with a long ..... Gas dusters do not use compressed air, but other inert gases that are much easier to compress into a liquid state. Hydrocarbons, like butane, were often used in the past, but their flammability forced manufacturers to use fluorocarbons.
This stuff is definitely not CO2, and although intert, I wouldnt argue that they're safe; Dust-off's official website has links to 'prevention of inhalation addiction' sites.
Neat project, but I'd have to say *as others have already* not safe, and overly wasteful.
Aug 18, 2008. 3:48 PMmightysinetheta
says:
Dust -off is not particularly inert. Trifluoroethane is pretty flammable, and tetrafluoroethane decomposes above 250 C into hydrogen fluoride and carbonyl fluoride. Lighting this stuff on fire, while awesome, is pretty un-good. (been there, done that) So, no open flames, or hot surfaces.
Aug 17, 2008. 8:57 PMemuman4evr
says:
I heard somewhere that you should empty the duster in short bursts instead of one long continuous stream to prevent the Co2 from clogging and making you think its empty.
Aug 16, 2008. 9:23 PMjcl236 (author)
says:
I'm not really sure if it is CO2, I came across a website on using duster to remove dents from cars, on that site it listed duster as liquid CO2. Years ago I found this http://www.frost-stick.com/icepress.htm and thought I could do the same thing with duster, the solid produced is not flammable and is 100% not water.
Aug 16, 2008. 7:34 PMpyro13
says:
Cool, but it is more practical to just spray whatever you want frozen with the bottle, and have a friend buy you some dry ice for alot cheaper at the grocery store. I'll give you a 3.5* for having a cool idea though!
Aug 16, 2008. 7:28 PMrobertm
says:
ya not very prctical lol. costs like 5 bucks for those airdusters. go to safeway or luckys, they sell it for around a dollar a pound :)
Aug 16, 2008. 7:19 PMjcl236 (author)
says:
Havent seen it around here but it would be nice if a store of them started selling some.
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