Re: humidity and fogging of cyanotype emulsion

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From: shannon stoney (sstoney@pdq.net)
Date: 09/08/01-01:48:48 PM Z


>
>Shannon, is the print itself fogged -- or do you just notice emulsion has
>turned a bit green? In my experience the print can be the same, or nearly
>the same...
>

It's just the unexposed emulsion. I haven't printed it yet. Some
samples I made yesterday were also fogged in the emulsion but cleared
all right. I was sort of surprised because I thought that if the
emulsion turned green, that it meant the paper had fogged. Maybe
not? If not, why are we sometimes told to worry if the emulsion
turns green or blue before it's exposed?

--shannon


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