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Re: [BKARTS] deacidification of color newsprint



One tricky thing (among many) is that some colored
inks are pH indicators.

That is, some colors will change color in response to
a change in pH.

One solution would be to make a color photocopy on
good paper.

Jack



Subject: deacidification of color newsprint

What is the best way to deacidify a 2004 newspaper with
a color photo in the article?  Is a magnesium-based
deacidifying solution safer than a calcium-based one?
Have there been any studies on long-term color
retention in deacidified newsprint?  Have newspaper
inks changed since 2000?  Do different newspaper
companies use different inks?

Lots of questions and I would love to start a discussion on this
challenge.

Teri Lynn Herbert
Charleston, SC
herbertL-at-musc.edu

Thompson Conservation Lab.
7549 N. Fenwick
Portland, Oregon  97217
USA

503/735-3942

http://www.teleport.com/~tcl

"The lyfe so short; the craft so long to lerne."
Chaucer  _Parlement of Foules_ 1386

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