# ISO 1055:1975 — Withdrawn and superseded ISO standards

For ISO 1055:1975, item title is Zinc and zinc alloys — Determination of iron content — Spectrophotometric method; status code is 9599; successor is ISO/WD 1055; withdrawn / published date is 1975-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1055:1975 _(verified: appears in the quote below)_
- **Item title:** Zinc and zinc alloys — Determination of iron content — Spectrophotometric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 1055
- **Withdrawn / published date:** 1975-06-01 _(verified: appears in the quote below)_

## What the source says

> 5541,IS,,ISO 1055:1975,Zinc and zinc alloys — Determination of iron content — Spectrophotometric method,Zinc et alliages de zinc — Dosage du fer — Méthode spectrophotométrique,1975-06-01,1,['77.120.60'],ISO/TC 18,9599,,[35630],"['en','fr']",2,"<p>The method is applicable to the following zinc alloys: Zn Al 4, Zn Al 4 Cu 1, Zn Al 4 Cu 3, Zn Al 11 Cu 1. It is moreover applicable to die castings made from these alloys, and to zinc containing more than 0,01 % of copper. The method is suitable for the determination of iron contents between 0,01 and 0,08 %.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).