ISO 8915:1987

Light olefins for industrial use — Determination of traces of chlorine — Wickbold combustion method

A gaseous or liquid test portion is aspirated into the oxygen-hydrogen flame of a burner where it is burned with considerable excess of oxygen. the liberated chlorine and hydrochloric acid are absorbed in hydrogen peroxide solution. The chloride ions are conductimetrically or potentiometrically titrated with a silver nitrate solution.