Terms containing measure of the acidity of solution

Subject	English	Russian
O&G	measure of the acidity of solution	показатель кислотности раствора (MichaelBurov)
oil	measure of the acidity or alkalinity of a solution	водородный показатель
oil	measure of the acidity or alkalinity of a solution	показатель кислотности или щёлочности раствора