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pH meter

Started by LOW, Oct 04 2009 08:12 PM

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#1 LOW

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Posted 04 October 2009 - 08:12 PM

May i know what is the working principle of a glass electrode pH meter?
Is it just based on the activity of H+ ion? How about OH-?
What will be the reading if i test with sodium carbonate and ammonia? pH more than 7?

#2 HomeBrew

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Posted 05 October 2009 - 03:50 AM

See here.
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