ISO 2463:1973

Sodium chlorate for industrial use — Determination of chloride content — Mercurimetric method

The method is applicable to products with a content greater than 0,01 % (m/m). It is not applicable to the analysis of mixtures of products such as herbicides and insecticides. The principle consists in titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator.