Clayton Jones wrote: > > Most things I've stuck up around the house are EEM test prints, but I > found an old (possibly 5 yrs) small PR BO print in my kitchen area > that is more yellowed than any other I've ever seen around other parts > of the house. It's so yellow I thought it was an EEM print at first, > but it's marked down in the corner. > > I'm assuming it's caused by being in the kitchen area, and am > wondering about the testing idea I mentioned and how valid any yellow > testing setup could be without a controlled atmosphere. How could > OBA-related light-exposure-only results be obtained? I suppose > relative comparisons would be valid as long as all tests were done in > the same area away from obvious sources of fumes. What do you think? It must have been 7 years ago or more after a Xmas that we discovered how attractive/absorbent HM coatings are for candle and open fire fumes. What was a near white German Etching print became creamy, more to brown than yellow, in 10 days time. Near the fire place and with lots of candles but nevertheless. http://www.spinics.net/lists/epson/old/2001_01/msg04682.html 8 years ago -- Met vriendelijke groeten,Ernst | Dinkla Grafische Techniek | | www.pigment-print.com | | ( unvollendet ) |
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Re: [Digital BW] Re: Wilhelm Tests
2008-01-05 by Ernst Dinkla
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