Digital BW, The Print

maybe so, but in Harald Johnson's book B&W using all std UC  inks, including color of 
course, rates at something like 140 years.  As I recall, but could have forgotten, this was in 
enhanced matte which is not "perfectly archival" to start with.

Scott

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Ukko Heikkinen" 
<ukko.heikkinen@p...> wrote:
> Hello everybody
> 
> Just in case you have not noticed:
> 
> http://www.outbackphoto.com/printinginsights/pi037/Epson_R4800.html
> 
> Ditto
> 
> "Tests to date indicate that with color images. UltraChrome and UltraChrome K3 inks 
have similar permanence characteristics. However, with black and white prints, the display 
permanence ratings with UltraChrome K3 inks are significantly improved because the 
three-level, highly stable CARBON PIGMENT BASED  black inks in teh UltraChrome K3 
inkset are used over the entire tonal scale and largely replace the less stable cyan, 
magenta, and yellow color inksin B&W prints whne they are made with the "Advance Black 
and Whitte Print Mode." (Capital letters by yours truly.)
> 
> http://www.wilhelm-research.com/epson/R2400.html
> 
> (Posted June 30)
> 
> Ukko Heikkinen
> 
> 
> 
> [Non-text portions of this message have been removed]