NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
ISO 417
ISO 417
Photography; determination of residual thiosulfate and other related chemicals in processed photographic materials; methods using iodine-amylose, methylene blue and silver sulfide
Title (German)
Photographie; Bestimmung des Restgehaltes von Thiosulfat und anderen verwandten Chemikalien in verarbeiteten photographischen Materialien; Jod-Stärke-Methode, Methylenblau-Methode und Silbersulfid-Methode