# ISO 6853:1987 — Withdrawn and superseded ISO standards

For ISO 6853:1987, item title is Photography — Processing waste — Determination of ammoniacal nitrogen content — Microdiffusion method; status code is 9599; successor is ISO 6853:2001 | ISO/DIS 6853; withdrawn / published date is 1987-11-26, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6853:1987 _(verified: appears in the quote below)_
- **Item title:** Photography — Processing waste — Determination of ammoniacal nitrogen content — Microdiffusion method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6853:2001 | ISO/DIS 6853
- **Withdrawn / published date:** 1987-11-26 _(verified: appears in the quote below)_

## What the source says

> 13362,IS,,ISO 6853:1987,Photography — Processing waste — Determination of ammoniacal nitrogen content — Microdiffusion method,Photographie — Effluents de traitements — Détermination de la teneur en azote ammoniacal — Méthode par microdiffusion,1987-11-26,1,"['37.040.30','13.030.30']",ISO/TC 42,9599,,"[32494,20059]","['en','fr']",3,<p>Specifies a method for determining ammonia and other volatile amines that can be liberated by strong alkali from photographic processing wastes. The method is applicable in the range 10 to 200 mg/l of NH3 or 8 to 160 mg/l of nitrogen.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).