A Method of Testing for the Presence of Sodium Thiosulfate in Motion Picture Films
It is necessary that photographic films be thoroughly washed after fixing; otherwise, if any appreciable quantity of sodium thiosulfate or other sulfur-containing compounds remain in the film, sooner or later they react with the silver image to form silver sulfide with the result that the image becomes brown, and it is said to have faded.
- Print ISSN
- 0097-5834
- Published
- 1930-04
- Content type
- Original Research
- DOI
- 10.5594/J06568
Download the PDF
or become a SMPTE member today to access the
article.
Become a SMPTE
member today to access the article.