Ozonelabs
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Temperamentality of the 'Barking-Dog' reaction
Whilst demonstrating the Barking-Dog reaction, Ozonelabs found that the reaction was very temperamental. Two literary references showed the reaction
using Nitrogen Monoxide and the other using Nitrous Oxide.
Ozone labs has found that using Nitrogen Monoxide gave little effect and the Carbon Disulphide merely burnt on top, not giving the desired 'Bark'.
Ozonelabs was wondering if anybody else has had experience with this reaction using Nitrogen Monoxide?
Thank for your time
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12AX7
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Have you asked Bob Dole if he's run this experiment?
Tim
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DJF90
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I thought the barking dog experiment was with white phosphorus dissolved in carbon disulphide...? Thats how we did it at a uni open day 
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ScienceSquirrel
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Mood: Dogs are pets but cats are little furry humans with four feet and self determination! 
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I have only seen the barking dog reaction run with nitrous oxide.
The most convenient way to do it on a demonstration scale is to use a cream whipper to dispense the nitrous oxide.
They use small bulbs similar to Sparklets carbon dioxide bulbs and are fairly readily available.
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woelen
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I have done this experiment some time ago, exactly in the way as DJF90 describes, with N2O from a whipped cream dispenser.
http://woelen.homescience.net/science/chem/exps/barkingdog/i...
EDIT by woelen: Changed link, so that it works again.
[Edited on 12-6-12 by woelen]
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DJF90
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The way we did it is slightly different. A long gas jar is covered with a filter paper. Onto this is placed some white phosphorus dissolved in carbon
disulphide. The carbon disulphide permeates the filter paper and its vapor saturates the gas jar. Once the majority of the carbon disulphide
evaporates the white phosphorus reacts withh the oxygen in the air and spontaneously combusts. The vapor in the gas jar then ignites and burns
rapidly, producing a barking sound as it does so. I guess this is the same experiment but a different means of doing it.
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