# ISO 333:1983 — Withdrawn and superseded ISO standards

For ISO 333:1983, item title is Coal — Determination of nitrogen — Semi-micro Kjeldahl method; status code is 9599; successor is ISO 333:1996; withdrawn / published date is 1983-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 333:1983 _(verified: appears in the quote below)_
- **Item title:** Coal — Determination of nitrogen — Semi-micro Kjeldahl method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 333:1996
- **Withdrawn / published date:** 1983-09-01 _(verified: appears in the quote below)_

## What the source says

> 4277,IS,,ISO 333:1983,Coal — Determination of nitrogen — Semi-micro Kjeldahl method,Charbon — Dosage de l'azote — Méthode semi-micrométrique de Kjeldahl,1983-09-01,3,['73.040'],ISO/TC 27/SC 5,9599,[5342],[4278],"['en','fr']",4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).