Society of Motion Picture and Television Engineers - An Improved Potassium Alum Fixing Bath Containing Boric Acid

Author(s): H. D. Russell ; J. I. Crabtree
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 August 1933
Volume: 21
Page(s): 137 - 153
ISSN (Paper): 0097-5834
DOI: 10.5594/J02040
Regular:

Most hardening fixing baths containing potassium alum tend to lose their hardening properties and precipitate a sludge of aluminum sulfite long before the fixing power of the sodium thiosulfate... View More

Advertisement