ISO 3693:1977

Nitric acid for industrial use — Determination of chloride ions content — Potentiometric method

OVERVIEW

Applicable to products having chloride contents equal or more than 0,0002 % (m/m). Potentiometric titration of the ions with silver nitrate solution in a nitric acid acetone-water medium using a silver measurement electrode and a calomel reference electrode.

COMMENTS

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PRODUCT DETAILS

Status Withdrawn - 06 Jan 2026
Edition 1977
No. of Pages 4
ICS Classification 71.060.30 Acids
Committee ISO/TC 47
Available for Purchase For sale in Singapore only
Adoption ISO