ISO 981:1973

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

The method is applicable to products of which the chloride content is greater than 0.005 % (m/m). The procedure based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 981-1969.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.40

Statut:

Publié

Date de Publication:

1973-01-31

Numéro Standard:

ISO 981:1973