Now Showing, “A Guideline to Air Cleaning for Museums (March 2019 Edition)”

 Many museums frequently ask for our advice on how to reduce the concentration of ammonia and acetic acid kept inside their repositories and exhibition cases. Ammonia accelerates discoloration of oil paintings, while acetic acid badly erodes metallic goods, especially artifacts and coins containing lead. This work is indispensable for preserving cultural assets.
 This guide, edited by the Preventive Conservation Section, is the fruit of research on display environment for preservation and utilization. You can read it from April 2019 in the notice exhibited on the first page of Center for Conservation Science on the website of Tokyo National Research Institute for Cultural Properties (in Japanese). We have intended to provide content covering the basic knowledge of air cleaning, monitoring pollutions, and their countermeasures so that all kinds of people can use the guide, including curators, workers entrusted with controlling air conditioning, and researchers. The end of the guide presents “frequently asked questions” with an easy access to the pages referred to in the answers. The appendix explains concrete processes of measuring methods using many pictures. We have also provided reference books and documents for those who want to know more details.
 It will be our pleasure if this can help improve the environment of museums.

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