# ISO 11427:1993 — Withdrawn and superseded ISO standards

For ISO 11427:1993, item title is Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide; status code is 9599; successor is ISO 11427:2014; withdrawn / published date is 1993-05-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11427:1993 _(verified: appears in the quote below)_
- **Item title:** Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11427:2014
- **Withdrawn / published date:** 1993-05-06 _(verified: appears in the quote below)_

## What the source says

> 19367,IS,,ISO 11427:1993,Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide,Dosage de l'argent dans les alliages d'argent pour la bijouterie-joaillerie — Méthode volumétrique (potentiométrique) utilisant le bromure de potassium,1993-05-06,1,['39.060'],ISO/TC 174,9599,,[57648],"['en','fr']",3,"<p>The principle of the method specified is dissolving the sample in dilute nitric acid and determining the silver content of the resulting solution by titration with standard potassium bromide solution, using a potentiometric indication of the equivalence point. The alloys, preferably within the range of fineness stated in ISO 9202, may conta

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).