ISO 2877:1974

Sulphuric acid for industrial use — Determination of chlorides content — Potentiometric method

Applicable to products having chloride contents equal or more than 0.0003 % (m/m) expressed in hydrochloric acid. Specifies the potentiometric titration of the chloride ions with silver nitrate solution in a sulphuric acid medium using a silver measurement electrode and a calomel reference electrode.