ISO 2481:1973Published

Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method

Chlorure de sodium à usage industriel — Dosage des halogènes, exprimés en chlore — Méthode mercurimétrique

Abstract / scope

The principle of the analysis consists in titration of the halogen ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. The main solution for the determination is prepared according to ISO 2479.