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Topic: non toxic colored gas  (Read 3659 times)

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lirang

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non toxic colored gas
« on: March 11, 2006, 10:08:14 AM »
I'm looking for an industrial (which can be ordered and bought) non toxic colored (white as well) gas. Purpose is to see the gas flow through some other transparent porous material.
thanks
Liran  
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Offline jdurg

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Re:non toxic colored gas
« Reply #1 on: March 22, 2006, 10:15:43 PM »
There isn't any known colored gas that is not toxic and/or corrosive.  Your best bet would be to take some dry ice and place it in a vat of water.  The low temperature of the dry ice will cause a visible "fog" to form which you could then use.
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Offline Borek

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Re: non toxic colored gas
« Reply #2 on: May 14, 2006, 04:41:22 PM »
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