What does PH mean in USPS?
This page is about the meanings of the acronym/abbreviation/shorthand PH in the Miscellaneous field in general and in the USPS terminology in particular.
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What does PH mean?
- pH, pH scale(noun)
- (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);