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Subject: Parchment and sodium dithionite

Parchment and sodium dithionite

From: Jack C. Thompson <tcl>
Date: Thursday, July 22, 2004
Christine Smith <consartpap [at] earthlink__net> writes

>Regarding parchment artifacts, have readers heard of--or
>tried--using sodium dithionite to remove or lessen heavy iron
>corrosion deposits? ...

There was some recent discussion re: sodium dithionite on
Book_Arts-L list and here is are the relevant comments/commentators,
as received (with some minor editing):

    **** Moderator's comments: And, in the interest of preserving
    those commentator's copyrights, I've further edited this to give
    only citation to the postings in the Book_Arts-L archives in
    CoOL <URL:

    The first item includes several citations.

    Subject: Re: [BKARTS] Rusted nails in signatures
    From: Douglas Sanders
    Date: Fri, 11 Jun 2004 12:08:05 -0500
    Message-id: <F62D40D585D9904285DB416722CF68DB076086@

    Subject: Re: [BKARTS] Rusted nails in signatures
    From: Jet Wimp
    Date: Fri, 11 Jun 2004 13:39:27 -0400
    Message-id: <40C9EE4F.57251161 [at] verizon__net>

    Subject: Re: [BKARTS] Rusted nails in signatures
    From: Douglas
    Date: Fri, 11 Jun 2004 12:50:39 -0500
    Message-id: <F62D40D585D9904285DB416722CF68DB076087@

    **** Moderator's comments: The above URLs and Message-Ids have
    been wrapped for email. There should be no newline.

Thompson Conservation Lab.
7549 N. Fenwick
Portland OR 97217
503-735-3942 (phone/fax)

                  Conservation DistList Instance 18:10
                 Distributed: Thursday, August 5, 2004
                       Message Id: cdl-18-10-012
Received on Thursday, 22 July, 2004

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