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Subject: Sealing cement

Sealing cement

From: Nancy Turner <nturner>
Date: Wednesday, January 3, 1996
I think one of the articles to which Ellen McCrady referred (in
response to Michael McColgin's query) that offers research done in
Japan into atmospheric contaminants from freshly poured cement is:

    Toshiko Kenjo, "Certain Deterioration Factors for Works of Art
    and Simple Devices to Monitor Them," The International Journal
    of Museum Management and Curatorship (1986), vol. 5, pp.

His study found that linseed oil impregnated paper darkened
significantly (denatured and saponified) when exposed for year and a
half to the atmosphere in a newly poured, unsealed concrete
building. Not until the building had stood for more that eighteen
months did the atmosphere regain acceptable museum conditions.  Silk
and certain pigments deteriorated as well.  The article does not
mention photographic materials.  The offgassing effects of freshly
cut wood are also discussed.  Hope this is a help.

Nancy Turner, Manuscripts Dept.
J. Paul Getty Museum
Malibu, CA

                  Conservation DistList Instance 9:52
                  Distributed: Sunday, January 7, 1996
                        Message Id: cdl-9-52-007
Received on Wednesday, 3 January, 1996

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