Digital BW, The Print

I just checked EEM with the light impressions pH pen.  The front surface
you print on shows up a geeenish blue whereas the back side turns yellow.
The pH pen package shows yellow to be “high acid content”, green is “some
acid content”, and blue is “acid free”.  Good archival papers show blue on
both the front and back.  IMO it’s the acid content that is causing the
yellow like old newspapers which are pretty acidic due to the lignin
content.



I agree with Clayton – use EEM for proofing and not for prints that should
last for some time!  Use Velvet Fine Art for the good stuff with the same
tonal range as the EEM proofs.



My $0.02 worth.



Cheers,



TK



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