ISO 3121:1976
Boric acid, boric oxide and disodium tetraborates for industrial use; Determination of chloride content; Mercurimetric method
- Standard No.
- ISO 3121:1976
- Release Date
- 1976
- Published By
- International Organization for Standardization (ISO)
- Status
- 2002-05
- Latest
- ISO 3121:1976
- Scope
- 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.
ISO 3121:1976 history
- 1976 ISO 3121:1976 Boric acid, boric oxide and disodium tetraborates for industrial use; Determination of chloride content; Mercurimetric method
