ISO 3121:1976

Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chloride content — Mercurimetric method
The principle consists in titration of the cloride ions with standard volumetric mercury(II) nitrate solution in presence of diphenylcarbazone as indicator until the colour of the solution matches the mauve of the standard end-point matching solution.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.060.01
Statut:
Annulée
Date de Publication:
1976-03-31
Numéro Standard:
ISO 3121:1976