From Tmplab

Artificial nose? Helping industry trace their leaks? MRTG for toxic gas?

Welcome to the wonderful world of post-chemistry.

[edit] Sniffing

• Carbon Monoxide (CO), Hydrogen (H)
• Hydrogen (H), Ethanol (C2H6O), Iso-butane (CH3CH(CH3)2), Carbon Monoxide (CO), Methane (CH4)
• Toluene (C7H8), Hydrogen Sulfide (H2S), Ethanol (C2H6O), Ammonia (NH3), Hydrogen (H)
• Ethanol (C2H6O), Hydrogen (H), Iso-butane (CH3CH(CH3)2), Carbon Monoxide (CO), Methane (CH4)

[edit] Using

• http://www.nexsens.com/support/user_manuals.htm
• http://www.freeduino.org/
• http://www.rosiedaniel.com/2007/04/gas-sensors.html
• http://itp.nyu.edu/physcomp/sensors/Reports/GasSensors