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pH Inglés de EE. UU.

A figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline. The pH is equal to log10 c, where c is the hydrogen ion concentration in moles per liter

PH Inglés de EE. UU.

Public Health

pH-stat Inglés de EE. UU.

A device for automatically maintaining a solution at constant pH.