# ISO 10101-3:1993 — Withdrawn and superseded ISO standards

For ISO 10101-3:1993, item title is Natural gas — Determination of water by the Karl Fischer method — Part 3: Coulometric procedure; status code is 9599; successor is ISO 10101-3:2022; withdrawn / published date is 1993-09-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10101-3:1993 _(verified: appears in the quote below)_
- **Item title:** Natural gas — Determination of water by the Karl Fischer method — Part 3: Coulometric procedure _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10101-3:2022
- **Withdrawn / published date:** 1993-09-30 _(verified: appears in the quote below)_

## What the source says

> 18077,IS,,ISO 10101-3:1993,Natural gas — Determination of water by the Karl Fischer method — Part 3: Coulometric procedure,Gaz naturel — Dosage de l'eau par la méthode de Karl Fischer — Partie 3: Méthode coulométrique,1993-09-30,1,['75.060'],ISO/TC 193/SC 1,9599,,[68638],"['en','fr']",6,"<p>The principle of the method specified is passing a measured volume of gas through the titration cell, where the water is absorbed by the anodic solution. The iodine required for the determination of water by the Karl Fischer reaction is generated coulometrically from iodide. The quantity of electricity is directly proportional to the mass of iodine generated and hence to the mass of water determined. Appl

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).