NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
ISO 7760
ISO 7760
Photographic processing waste; Determination of hydroquinone content; Spectrophotometric method
Title (German)
Photographie; Photographische Abwässer; Bestimmung des Hydrochinon-Gehalts; Spektrophotometrische Methode