Terms containing measure of the alkalinity of solution

Subject	English	Russian
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
O&G	measure of the alkalinity of solution	показатель щёлочности раствора (MichaelBurov)