Re: cyanotype soln. gone bad

Thanks, but this is the new cyanotype, which I though was suppose to have a longer shelf life. JT

--
Judy Rowe Taylor
Mukilteo, WA
Art is a voice of the heart, a song of the soul.
www.enduringibis.com
jude.taylor@comcast.net or judyrowetaylor@enduringibis.com
> Cyanotype solutions do not keep well.  I mix fresh for every printing
> session.
> 
> Dave in Wyoming
> 
> ----- Original Message ----- 
> From: <jude.taylor@comcast.net>
> To: <alt-photo-process-l@sask.usask.ca>
> Sent: Sunday, September 04, 2005 8:10 PM
> Subject: cyanotype soln. gone bad
> 
> 
> > Greetings,
> >
> > This evening I got out my bottle of cyanotype (Ware's new cyano) solution
> to coat and test some different papers.  Much to my surprise my solution was
> deep green.  I filtered it again and found there was also some dark blue
> sludge in the bottle.
> >
> > The solution is only 2-3 months old, has been in a brown bottle with black
> lid tightly screwed on and kept inside a dark drawer that is only opened
> when I get out the bottle for a printing session.  It was O.K. a few weeks
> ago (pale yellowish gree), so I am wondering if the higher humidity around
> here has adversely affected the solution over time - when it has been opened
> to take out a few mls of the stock for use.  I use a dedicated syringe
> (which I wash and dry after each use) to draw from the stock bottle.  After
> removing what I need for a session I do put the stock bottle back in the
> dark drawer.    Is it restorable or must I just start "from scratch" again?
> Any clues as to what I might do to prevent this happening again; if it is
> the humidity I do have "dehumidifier" on my list of items to purchase,
> though I wouldn't want to run it all the time!  Maybe some of the "crystal
> stuff" in the drawer?
> >
> > Thanks!
> > Judy
> > --
> > Judy Rowe Taylor
> > Mukilteo, WA
> > Art is a voice of the heart, a song of the soul.
> > www.enduringibis.com
> > jude.taylor@comcast.net or judyrowetaylor@enduringibis.com
> 
>