# ISO 2590:1973 — Withdrawn and superseded ISO standards

For ISO 2590:1973, item title is General method for the determination of arsenic — Silver diethyldithiocarbamate photometric method; status code is 9599; successor is ISO/CD 2590; withdrawn / published date is 1973-05-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2590:1973 _(verified: appears in the quote below)_
- **Item title:** General method for the determination of arsenic — Silver diethyldithiocarbamate photometric method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 2590
- **Withdrawn / published date:** 1973-05-01 _(verified: appears in the quote below)_

## What the source says

> 7567,IS,,ISO 2590:1973,General method for the determination of arsenic — Silver diethyldithiocarbamate photometric method,Méthode générale de dosage de l'arsenic — Méthode photométrique au diéthyldithiocarbamate d'argent,1973-05-01,1,['71.040.40'],ISO/TC 47,9599,,[7566],"['en','fr']",5,<p>Applicable to determining the quantities contained either in all the test solution or in the aliquot portion of between 1 g and 20 g that is taken for the determination. The principle bases on the reduction of the arsenic by zinc in a hydrochloric acid medium with the formation of arsine; absorption of the arsine in a solution of silver diethyldithiocarbamate in pyridine. Photometric measurement of the purp

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).