NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
ISO 6851
ISO 6851
Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
Title (German)
Photographie; Photographische Abwässer; Bestimmung des gesamten Amino-Stickstoffe; Mikrodiffusionsmethode nach Kjeldahl