Hi-- I would like to know your professional experience and opinion with the use of buffered or unbuffered, acid-free tissue paper. I am looking to interweave the tissue between old book pages of original art (some works are chalk, some charcoal, etc.). They are late19th century tomes whereby the artwork has bled onto the facing page (which in many cases is blank )but we need to arrest the bleeding. My concern and, where I ask your opinion, is there seems to be some controversy regarding the buffered tissue, that although the buffering agent will help prevent acid migration to the tissue itself, the buffering agent (3% calcium carbonate) may have negative effects to perhaps the artwork and/or paper itself. You may respond to me off the list or it may be of benefit to the listserv membership to get a sense of it. Thank you, Melisa Nicoud Librarian National Museum of Wildlife Art 2820 Rungius Rd. Box 6825 Jackson Hole, Wyoming 83002 w: 307-732-5451 e: [log in to unmask] __________________________________________________________________ Mail submissions to [log in to unmask] For information about joining ARLIS/NA see: http://www.arlisna.org//membership.html Send administrative matters (file requests, subscription requests, etc) to [log in to unmask] ARLIS-L Archives and subscription maintenance: http://lsv.uky.edu/archives/arlis-l.html Questions may be addressed to list owner (Kerri Scannell) at: [log in to unmask]