PH (PRONOUNCE AS SEPARATE LETTERS)


Meaning of PH (PRONOUNCE AS SEPARATE LETTERS) in English

pH is an expression of the intensity of the basic or acid condition of a liquid. Mathematically, pH is the logarithm (base 10) of the reciprocal of the hydrogen ion concentration, [H+]. pH= Log (I/[H+]) The pH may range from 0 to 14, where 0 is most acid, 14 most basic, and 7 neutral. Natural waters usually have a pH between 6.5 and 8.5.

Environmental engineering English vocabulary.      Английский словарь экологического инжиниринга.