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Topic: hydrogen electrode  (Read 3951 times)

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Offline FeLiXe

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hydrogen electrode
« on: November 21, 2006, 05:10:12 PM »
hi, measured the potential of Pb / Pb(NO3)2 against a hydrogen electrode today

for evaluating I am not quite sure what partial pressure for hydrogen I have to insert. Is it just atmospheric pressure because alle the bubbles had that pressure after leaving the gas bottle? Do I have to do something else? Is it accurate at all?

thanks a lot
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Offline Borek

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Re: hydrogen electrode
« Reply #1 on: November 21, 2006, 06:28:33 PM »
I would go for atmospheric pressure, although I suppose you have no idea what the pressure was today? ;)
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Offline FeLiXe

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Re: hydrogen electrode
« Reply #2 on: November 22, 2006, 03:45:38 PM »
ok, thanks

1,013 bar will do it :-)

We are so far off that I don't worry about a few millibar. I'll just blame it on the platin electrode - it wasn't properly platinated ...
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