RE: Gum problem(s)

Yes, I often used to use rectified alcohol to help with "fisheyes" and
bubbles

Kate

-----Original Message-----
From: Loris Medici [mailto:loris_medici@mynet.com]
Sent: Saturday, 19 November 2005 5:53 a.m.
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Gum problem(s)

Can one add pure alcohol instead of Tween or Photoflo/Ilfotol to facilitate
coating of gum emulsion? Will alcohol get in reaction with dichromate and/or
colloid?

Regards,
Loris.

-----Original Message-----
From: Tom Sobota [mailto:tsobota@teleline.es]
Sent: 18 Kasım 2005 Cuma 18:14
To: alt-photo-process-l@sask.usask.ca
Subject: Re: Gum problem(s)

...
Photoflo is a good idea when working with dry pigments. I use Agepon, the
Agfa equivalent, but any surfactant agent should help. Only I use it in
minimal quantities: just a very small drop which is enough to break the
superficial tension of the gum+dichromate mix. Perhaps you are using too
much Photoflo? ...

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