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How can i know what kind of gas i have in my jar? Rate Topic: -----

#1 21 January 2012 - 01:03 AM mScientist 


Lepton
How can I know what kind of gas I have in a closed jar?
Is there any experiments I can do to know what kind of gas I have?

thanks.
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#2 8 February 2012 - 09:52 AM Suxamethonium 


Baryon
lol... there are lots of tests- some more affordable than others. Colour, smell, and density are all fairly easily determined. As is pH. You could test for oxidising properties (O2, Cl2, N2O for example) or flammability (H2 or HCs for example- if so, run an ms on it). You could measure its UvVis absorbance to compare curves with known (suspected) compounds. Various gas tests like CO2/limewater tests could be imployed. Depending on what the application is, its only likely to be a select few gases- it shouldn't be too hard to deduce it from logic and trivial data alone.
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