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Digital BW, The Print

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Message

Re: MIS & Piezo ink comparison -- "Kleenex chromatography"

2001-08-21 by dave@tevisphoto.com

--- In DigitalBlackandWhiteThePrint@y..., "Paul Roark" 
<paul.roark@v...> wrote:
> (With a subject like, "Kleenex chromatography," it's hard not to 
wonder.)
> 
> The other day, in the context of comparing these inks, I 
mentioned that I
> had put drops of the MIS and Piezo magenta-position inks on a 
Kleenex and
> found that the resulting ink dots showed what could be 
interesting
> information. The scan of the Kleenex is now in the "Files" area 
of the
> forum, in the "Message
> Related Files" folder.  It's called Piezo-MISdots.jpg.  The 
following URL
> should get you there:
> 
> 
http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/file
s/Message%20R
> elated%20Files/Piezo-MISdots.jpg
> 
> I'm sure the image is subject to differing interpretations.  My 
view is that
> the blue-green fringe around the Piezo spot may be caused by 
dissolved dyes
> in that inkset spreading further through the Kleenex than the 
pigment
> particles.  However, I'm no chemist.
> 
> Paul
> http://www.PaulRoark.com

Thats very cool! Sheds light on what must be going on with 
prints. 

Dave

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