Nuke_Dukem
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Registered: 10-1-2005
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DIY glove box for HBr?
Hello there, Im considering using boron bromide in an experiment and because hydrogen bromide gas evolves I need to make something to contain it since
I dont have or have access to a proper fume hood. I was thinking just a simple plastic enclosure with neoprene gloves, and also an exhaust fan &
duct tubing on the top. Because a lot of HBr gas evolves I also took the liberty of making my own bubbler to trap it as an acid. My question is just
how corrosive is this gas? should the plastic be fine or should I coat it with aluminum foil?
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Esplosivo
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I don't know much about HBr but I would suggest using Teflon gloves and of keeping away metals (I hope that your intention of using aluminium was
a joke, right?! Remeber that metals react with acids) Bromine, and I suppose so
does hydrogen bromide, has a nasty tendency of literally passing through plastics (certain types) IIRC, therefore make sure that you get good Teflon
gloves - which are used in labs to handle both bromine and HBr. Hope this helps.
Theory guides, experiment decides.
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Nuke_Dukem
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allthough KEL-F sheeting would be better, im just not sure where to get it or how expensive it is. Teflon you say is resistent? that would be even
better its easy as shit to come by.
[Edited on 10-1-2005 by Nuke_Dukem]
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BromicAcid
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Get a small glass fish tank out of the garbage, people throw them away all the time, take a flat piece of wood and put rubber gasket on it in the
shape of the top of the fish tank. Invert the fish tank on it, the rubber gasket making a seal. Buy a glass cutter, you can get glass cutters that
make circles, if you manage to get one you can glue the gloves you wish to use around the outside of the circle. Cut your hole to run your exit
gasses, and huzzah, glass fish tanks are highly resistant to attack. When I did this last I had claps scrwed into the wood to hold the edges of the
tank in place but you could just put some weight on top to keep the seal close to air tight.
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Nuke_Dukem
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Great! thanks for the info, I'll be sure to use just that. Sounds excellent.
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garage chemist
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Personally I think that a glove box isn't needed for HBr, it isn't much different from HCl.
Just work outside, that would be OK.
Bromic, for which nasty substance do you need a glove box?
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BromicAcid
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I used a glove box to dissect some of my early apparatuses for phosphorus production, and I fiddled with sodium production within one. However I
haven't used a glove box in years, I guess things are not as reactive as they used to be, or at least as I used to perceive them.
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Nuke_Dukem
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I would work outside if I could. Currently it is -40C where I live.
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