Digital BW, The Print

What is dye made of?  Dye is "a usually soluble substance for staining or
colouring" but what substance?  One could make a dye of very finely ground
carbon.  A dye could well be the same materials mentioned  by Paul.  I don't
think dye or pigment are the right or adequate descriptors here.


> From: john dean <deanwork2003@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Fri, 11 Mar 2005 20:13:36 -0000
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: Re: [Digital BW] What is actually in Ultrachrome inks?
> 
> 
> 
> Yes, that thing about the yellow channel being "re-engineered" for greater
> saturation and 
> a more useful gamut in the reds is also something I heard when Ultrachome was
> first 
> introduced. Now whether that yellow has "dye" in it I don't know, and we may
> not even be 
> able to know without some chemist breaking it down methodically. Bottom line
> is it 
> doesn't really matter except for semantic reasons. I was going to put on my
> website that I 
> only work with pigments, no dyes, but I didn't say that ...... whatever.
> 
> I use both of these inksets and whatever they did to create UC works. Only if
> they made 
> them for the 10K I already have. That printer is a much nicer machine all
> around, strong as
> an ox and significantly faster. I guess I'll have to go back to Lyson now for
> help.
> 
> That was great Paul, I'm printing it out for reference too.
> 
> John