pH
22 Jul, 2014
a measure of the acidity or alkalinity of a solution, commonly measured on a scale of 0 to 14. Pure fresh water measures 7 (neutral), with lower measures indicating acidity and higher numbers indicating more alkaline solutions.
22 Jul, 2014
a measure of the acidity or alkalinity of a solution, commonly measured on a scale of 0 to 14. Pure fresh water measures 7 (neutral), with lower measures indicating acidity and higher numbers indicating more alkaline solutions.