# ISO 9965:1993 — Withdrawn and superseded ISO standards

For ISO 9965:1993, item title is Water quality — Determination of selenium — Atomic absorption spectrometric method (hydride technique); status code is 9599; successor is ISO/TS 17379-2:2013; withdrawn / published date is 1993-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9965:1993 _(verified: appears in the quote below)_
- **Item title:** Water quality — Determination of selenium — Atomic absorption spectrometric method (hydride technique) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/TS 17379-2:2013
- **Withdrawn / published date:** 1993-07-01 _(verified: appears in the quote below)_

## What the source says

> 17872,IS,,ISO 9965:1993,Water quality — Determination of selenium — Atomic absorption spectrometric method (hydride technique),Qualité de l'eau — Dosage du sélénium — Méthode par spectrométrie d'absorption atomique (technique hydrure),1993-07-01,1,['13.060.50'],ISO/TC 147/SC 2,9599,,[55221],"['en','fr']",5,"<p>Under the conditions of the method specified (thermal decomposition of selenium hydride for AAS), only Se(IV) is quantitatively converted to the hydride. To avoid errors in determination, other oxidation states need to be converted to Se(IV) prior to the determination. The absorbance is measured at a wavelength of 196,0 nm. The method determines selenium and organically bonded selenium

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).