John,
For consistencies sake I prefer to mix the dichromate with the pigment/gum
combination just before I print. I only mix enough for the session and
never keep it.
Hamish
Hamish Stewart Gum Bichromate Photographer - http://www.gumphoto.co.uk
>
> From: John Brewer <john@glossyormatt.com>
> Reply-To: alt-photo-process-l@sask.usask.ca
> Date: Fri, 01 Jul 2005 19:43:24 +0100
> To: alt-photo-process-l@sask.usask.ca
> Subject: Life of gum dichromate mixture
>
> Can anyone tell me how long gum + dichromate + pigment may be kept before it
> is unusable?
>
> Thanks
>
> John.
>
Received on Sat Jul 2 17:17:33 2005
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