What problem if l use RA4 bleach-fixer for color film？

captain ZZM

Member
Joined
Jan 26, 2015
Messages
73
Location
Beijing,Chin
Format
35mm
I can get right color if l use ra4 b/fixer for color film？ l thrown a small cut fim into the liquid and it also can work, the film changed to transparent like normal but l'm not sure about color image.
 

Rudeofus

Member
Joined
Aug 13, 2009
Messages
5,081
Location
EU
Format
Medium Format
The biggest danger is retained silver, sometimes visible right away, sometimes visible only after some time when spots of Silver Sulfide appear. PhotoEngineer stated on multiple occasions, that BLIX leaves silver behind, and RA-4 BLIX is usually more dilute than the BLIX supplied with C-41 and E-6 kits.
 

RPC

Member
Joined
Sep 7, 2006
Messages
1,630
Format
Multi Format
Any blix is not recommended for film, but if you want to use it, mix it at a higher concentration than for paper, like twice normal concentration and use at 100F for perhaps 10 minutes, then check for retained silver. It probably works best at certain pH but don't know what that would be.
 
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