American national standard methylene blue method for measuring thiosulfate and silver densiometric method for measuring residual chemicals in films, plates, and papers
By: American National Standards Institute, inc. ; secretariat, National Associations of Photographic Manufacturers, inc
Contributors: National Association of Photographic Manufacturers, Inc
Publisher: The Institute
Published: 1978
Place of publication: New York
Language: eng
Copyright date: 1978
Subjects: Photography; Processing; Quality control
Other titles: Methylene blue method for measuring thiosulfate.; Measuring residual chemicals in films, plates, and papers.; Silver densiometric methods for measuring residual chemicals.
Notes: "ANSI PH4.8-1978, revision of ANSI PH4.8-1971; approved April 5, 1978."

"Industry standard."

Includes bibliographical references.