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pH Meter
2010-11-15 18:19:11

A pH meter, typically consisting of a special measuring probe connected to an electronic meter, is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid. The probe measures pH as the hydrogen ion activity that surrounds a thin-walled glass bulb at its tip. A small voltage is produce by the probe that measures and displays pH units by the meter. The meter circuit...

Word of the Day
adustion
  • The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
  • In medicine, cauterization.
The word 'adustion' comes from the Latin 'adustio', 'burning'.
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