ISO 3121:1976
Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chloride content — Mercurimetric method
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1976 |
| No. of Pages | 3 |
| ICS Classification | 71.060.01 Inorganic chemicals in general |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |