PH
PH: “PH” is the abbreviation for hydrogen potential. It is the index expressing the activity (or the concentration) of the hydrogen ion in a solution, using a logarithmic scale. This index measures the more or less acidic or basic nature of a solid or liquid product.
It was the Danish chemist Søren Sørensen, who worked in 1893 on the effects of the concentrations of some ions on proteins, noticed the importance of hydrogen ions and decided to introduce the concept of pH....
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