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Re: [BKARTS] Can acid-free tape bleach acidic paper?

I tried re-acidifying a couple of the hinges, using dilute
glacial acetic acid.  On one of the hinges I removed the paper
backing of the tape; on the other I removed the adhesive and
lightly abraded the paper.

The treatment was not successful.

A little more discussion about this problem, along with a photo
of the print (and the author, at age 6) may be found at:



>On Mar 9, 2006, at 8:04 AM, Jack C. Thompson wrote:
>> ....  had used an alkaline-buffered tape to hinge the litho to the
>> back mat. The client returned a few months later to complain.  The
>> buffer had migrated through the paper to the background ink and caused
>> severe fading.
>I too am aware that some colors will shift when alkalinized, however, I
>had heard and experienced that by RE-acidifying(?) the paper, it will
>go back to the former.

>Bill Minter

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

503/735-3942 (phone)
503/289-8723 (fax)


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