ISO 992:1975

Potassium hydroxide for industrial use — Determination of chlorides content — Mercurimetric method

The method is applicable to products the chloride content of which is greater than 25 mg/kg. The procedure is based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 992-1969.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.40

Statut:

Annulée

Date de Publication:

1975-01-31

Numéro Standard:

ISO 992:1975