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Thread: Glyoxal use

  1. #1

    Join Date
    Mar 2015
    Posts
    40

    Glyoxal use

    Hello,

    I want to use glyoxal for sizing my reception paper for carbon transfers. I use a 5% gelatin for sizing, I have read several posts and if I understand :

    Outdoor use only
    Make a 10% solution of 40% glyoxal commercial glyoxal at 1:9. I.E. : 10ml of 40% glyoxal and 90ml distilled water.
    Use for 100ml of 5% gelatin solution 5ml of this 10% glyoxal solution.
    Hardening in 4-8 hours but wait 24h minimum to evacuate fumes
    or
    I read in the book of alternative photographics process third edition :
    15ml of 40% Glyoxal in 250ml of 2,6% gelatin
    or
    15ml of 40% Glyoxal in 1000ml distilled water (immersion option)

    There is a big difference in concentration between sources

    What is the best option for you ?

    And if you have different use share please

    Best regards,

  2. #2
    Drew Wiley
    Join Date
    Sep 2008
    Location
    SF Bay area, CA
    Posts
    11,828

    Re: Glyoxal use

    Can't answer that specific; but remember that glyoxal has a limited shelf life and will lose some potency within a year or so.

  3. #3
    Peter De Smidt's Avatar
    Join Date
    Jan 2001
    Location
    Fond du Lac, WI, USA
    Posts
    5,908

    Re: Glyoxal use

    Maybe ask on Sandy King’s carbon group.
    “You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you.”
    ― Alexander Den Heijer

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