Re: ..Glass plate negatives..

Cor Breukel (cor@ruly46.medfac.leidenuniv.nl)
Wed, 31 Dec 1997 10:17:30 +0100 (MET)

On Tue, 30 Dec 1997, Wayde Allen wrote:

> > base-fog. Are there any chemicals which I can use to reduce this fog
> > (something you can add to your developper, I was thinking of using D76 to
> > start with).
>
> I've heard of people adding benzotriazole (sp?) to the developer for this
> kind of work.

..any idea on concentration?..

>
> > I also assume that the speed will be roughly doubled due
> > to it's age.
>
> I'm not sure why you'd assume this? I suppose it is possible, but the
> first and possibly the second plate will probably best be tests.

..based on experience with aged polaroids (both coluour and B&W) I have
used in the passed, but I may well be compairing completly different
things...

Cor Breukel

http://ruly70.medfac.leidenuniv.nl/~cor/cor.html
"The Infrared Gallery"
http://ruly70.medfac.leidenuniv.nl/~cor/ir-gallery.html