Potential of Hydrogen

pH

Description
Used to specify the acidity or basicity of aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen (H+) cations) are measured to have lower pH values than basic or alkaline solutions.
Last Updated
2026-06-01
Reading Time
1 minute(s)

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Using a pH Meter

?

Zeroing a pH Meter

There's a bottle of pH 7 solution.

Cleaning a pH Meter

Rinse with water. No soap is necessary.