NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[CURRENT]
ISO 6853
ISO 6853
Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
Title (German)
Fotografie - Fotografische Abwässer - Bestimmung des Ammoniakstickstoffs (mittels Mikrodiffusionsverfahren)