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People have been concerned about the premature degradation of stored books and the poor quality of the paper for a long time (Murray 1824; Johnson 1891;...

Paper is made from types of wood. Wood mainly contains two polymers: cellulose and lignin. It is the lignin that causes paper to turn yellow. Lignin has a...

Insist that the paper you use be made from high quality fibers (preferably, alpha-cellulose) without alum-rosin (acid) sizing and with a maximum 30 parts per...

There are two principal chemical degradation pathways of paper: acid-catalysed hydrolysis and oxidation. The pH of 1 g of a piece of paper in 50 cm3 of water...

People have been concerned about the premature degradation of stored books and the poor quality of the paper for a long time.  Gradually it became known that...

he deacidification of bound books presents additional challenges.  The soaking of a book in an aqueous solution swells the paper sheets. This can cause some...

Choosing an Acid Free paper allows for a greater lifespan of images and documents.Acid Free paper is a paper which has a PH of 7 or slightly higher (making it...

In even the most beautifully framed art, there may be an unseen threat ready to destroy. Naturally occurring acid in paper and framing materials can cause...

This section presents six areas for determining the effectiveness of any process as a deacidification technology and suggests scientific information that can be...

Preservation professionals have a basic responsibility to understand as much as possible about mass processes before deciding whether they can be used to treat ...