MadSci Network: Chemistry
Query:

Subject: Recently I bought a pH meter for my garden soil. How does it work?

Date: Thu Jul 8 10:01:01 1999
Posted by tim stallman
Grade level: nonaligned School: DNR
City: Jefferson City State/Province: MO Country: USA
Area of science: Chemistry
ID: 931446061.Ch
Message:

It consists of a meter reading 1 to 14 attached to a metal rod, 
which is inserted into the ground. I am familiar with lab grade 
pH meters and this does not use the half cell principle. There 
is no porous membrane. It is suprisingly accurate! It only works 
if the soil is damp.


Re: Recently I bought a pH meter for my garden soil. How does it work?

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