[chbot] Oxygen / Argon sensor

[GRAHAM CHRISTIE]

Hi Mark
I have bottled Argon, regulator etc.
I would bubble the argon into the container, expelling air up top.
I would test the expelled air in a second higher container with a candle at the top.

Regards
Graham



> On 07 June 2020 at 20:32 Mark Atherton <markaren1 at xtra.co.nz> wrote:
> 
> 
> I need to store a thermionic emitter in a jar which is free of oxygen, 
> and just discovered that argon may an acceptable gas.
> 
> Argon is heavier than air, so it may be as simple as filling a small 
> vertical container with Ar, and placing the emitter at the bottom.
> 
> I do need some simple instrumentation to tell me how full the container 
> is, so can either be an argon or an oxygen detector.
> 
> Just wondering if anyone has experience using a car oxygen sensor in the 
> wild, or if there are any other readily available techniques which 
> should be considered (lighted taper would work, but messy).
> 
> Thoughts please.
> 
> Mark
> 
> 
> 
> 
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