ISO 6851:1987
For ISO 6851:1987, item title is Photography — Processing waste — Determination of total amino nitrogen — Microdiffusion Kjeldahl method; status code is 9599; successor is ISO 6851:2001 | ISO/DIS 6851; withdrawn / published date is 1987-11-26, recorded from its source on 2026-08-05.
- Identifier
- ISO 6851:1987 verified
- Item title
- Photography — Processing waste — Determination of total amino nitrogen — Microdiffusion Kjeldahl method verified
- Status code
- 9599 verified
- Successor
- ISO 6851:2001 | ISO/DIS 6851
- Withdrawn / published date
- 1987-11-26 verified
Verified
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What the source says
13360,IS,,ISO 6851:1987,Photography — Processing waste — Determination of total amino nitrogen — Microdiffusion Kjeldahl method,Photographie — Effluents de traitements — Détermination de l'azote amino total — Méthode de microdiffusion Kjeldahl,1987-11-26,1,"['37.040.30','13.030.30']",ISO/TC 42,9599,,"[32493,27566]","['en','fr']",4,<p>Describes a method for determining the total organic nitrogen and any ammoniacal nitrogen present in photographic processing waste. This amino nitrogen is converted to ammonia which is subsequently determined by absorption into boric acid in a microdiffusion cell along with any ammonia originally present.</p>
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv