THE fact that Sphagnum or peat shaken with a neutral salt gives rise to an acid reaction in the solution has long been known. Baumann and Gully first explained this phenomenon as due to the adsorption ...
The pH is a negative logarithmic scale, which measures the molar concentration of hydrogen ions from 1 to 10 14 ions. It therefore has no unit of measurement. Numbers on a negative logarithmic scale ...
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