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The notion of pH alludes to hydrogen potential and is used as a alkalinity measure or acidity . The term refers to the hydrogen ion concentration (hydrogenions ) that appears in a dissolution .

Usually a scale from pH that goes from 0 to the 14 . When the solution presents a pH less than 7 , it is considered to be a acid solution . Instead, if the pH is greater than 7 , It is a alkaline solution . When he pH equals 7 Finally, the solution is qualified as neutral .

For the calculation of the pH, the negative logarithm in base 10 of the activity that present the hydrogenations. The higher the activity of hydrogen ions, the greater acidity ; on the contrary, the lower the activity, the greater the alkalinity.

It is usual to measure the pH of a solution through reagents presented in drops or in strips . Thus, the reagent drops are placed in the sample to see how it changes color and determine whether it is an acidic, neutral or alkaline substance, or the strips are wetted in the sample to analyze its staining.

It is important to mention that PH It is also an acronym with other uses. In this frame, PH can mention a horizontal property : a property that is part of a building parceled or divided into floors or plants.

In a building of eight floors, in each of which there are two departments or apartments, there are sixteen horizontal properties. The building, on the other hand, has common use and shared property sectors (such as hallways or entrance hall).

PH Finally, you can also name a Humanist Party : that is, a political group that is attached to the Humanist Movement .

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