Is there any difference between the these two agents? I want to fix negatives developed in PMK; which is better?

Regards Xosni

-- Xosni (xosni@gega.net), August 24, 2001

Answers

In "The Film Developing Cookbook," Anchell and Troop say that sodium thiosulfate isn't able to reliably fix films or papers with a high iodide content, like vitually all of today's products. They say ammonium thiosulfate will do a much more thorough job (in addition to being twice as fast).

-- Brian Hinther (brianh@onewest.net), August 24, 2001.

In the rec.photo.darkroom site there are a number of posts by Richard Knoppow which cover this subject very well Try this page. The address should be all one line. This can be awkward because of the line wrapping:

http://groups.google.com/groups? hl=en&safe=off&rnum=8&selm=3b4a28d3.146359945%40news.mindspring.com

Alternatively, search for this article in Google Groups.

: Richard Knoppow (dickburk@ix.netcom.com) Subject: Re: alternatives for ammonium thiosulfate? Newsgroups: rec.photo.darkroom View: Complete Thread (12 articles) | Original Format Date: 2001-07-09 15:52:25 PST

-- john stockdale (jo.sto@bigpond.com), August 24, 2001.