- phvalue
pH-value
1> _хим. показатель концентрации водородных ионов
Новый большой англо-русский словарь. 2001.
Новый большой англо-русский словарь. 2001.
PH — is the measure of the acidity or alkalinity of a solution. It is formally a measure of the activity of dissolved hydrogen ions (H+), but for very dilute solutions, the molarity (molar concentration) of H+ may be used as a substitute with little… … Wikipedia