Oxalic Acid pre treatment???

Joined
Feb 5, 2008
Messages
106
Format
Medium Format
I've searched but unfortunately have found no information on how to pre treat paper with oxalic acid. I am doing Pt/Pd prints and would like to experiment with a various papers. Any information would be appreciated.
 

deisenlord

Member
Joined
Dec 22, 2004
Messages
480
Location
Minneapolis,
Format
4x5 Format
I treat in hot tap water between 2% - 5% based on the paper for 10 min. This works for the Fabriano papers and Rives BFK. I'd just go with 5%.
Ike
 

photomc

Member
Joined
Jul 20, 2003
Messages
3,575
Location
Texas
Format
Multi Format
Ike has it covered, but for more reading check out these threads

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or

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