Reference Source

ISO 417:1977

For ISO 417:1977, item title is Photography — Determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers — Methylene blue photometric method and silver sulphide densitometric method; status code is 9599; successor is ISO 417:1993; withdrawn / published date is 1977-10-01, recorded from its source on 2026-08-05.

Identifier
ISO 417:1977 verified
Item title
Photography — Determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers — Methylene blue photometric method and silver sulphide densitometric method verified
Status code
9599 verified
Successor
ISO 417:1993
Withdrawn / published date
1977-10-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

4424,IS,,ISO 417:1977,"Photography — Determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers — Methylene blue photometric method and silver sulphide densitometric method","Photographie — Détermination du thiosulfate et d'autres produits chimiques résiduels dans les films, plaques et papiers photographiques développés — Méthode photométrique au bleu de méthylène et méthode densitométrique au sulfure d'argent",1977-10-01,1,"['37.040.20','37.040.30']",ISO/TC 42,9599,,[4425],['en'],5,

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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