العربية  

books ph scale

If you do not find what you're looking for, you can use more accurate words.

View more

pH scale (Info)


pH scale:- (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) (Princeton WordNet 3.1)