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.

SDO:

ISO

Language:

English

ICS Codes:

71.060.40

Status:

Published

Publish date:

1973-01-31

Standard Number:

ISO 981:1973