ISO 2463:1973 Preview
Sodium chlorate for industrial use -- Determination of chloride content -- Mercurimetric method
This standard was last reviewed and confirmed in 2013. Therefore this version remains current.
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.