BS 5706 79th Edition, February 28, 1979
Methods for the determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers: methylene blue photometric method and silver sulphide densitometric method
Includes all amendments and changes through Reaffirmation Notice , August 15, 1984
Additional Comments: W/D S/S BY ISO 417
Published By:British Standards Institution (BSI)
Not applicable to stabilized black-and-white products.