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><channel><title>NCPTT &#187; chemistry</title> <atom:link href="http://ncptt.nps.gov/tag/chemistry/feed/" rel="self" type="application/rss+xml" /><link>http://ncptt.nps.gov</link> <description>National Center for Preservation Technology and Training</description> <lastBuildDate>Wed, 15 Feb 2012 14:03:29 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>Join us Aug. 11 for Preservation In Your Community LIVE on USTREAM</title><link>http://ncptt.nps.gov/ncptt-to-host-9th-annual-preservation-in-your-community/</link> <comments>http://ncptt.nps.gov/ncptt-to-host-9th-annual-preservation-in-your-community/#comments</comments> <pubDate>Thu, 30 Jul 2009 15:04:50 +0000</pubDate> <dc:creator>NCPTT</dc:creator> <category><![CDATA[Events]]></category> <category><![CDATA[News]]></category> <category><![CDATA[archaeology]]></category> <category><![CDATA[archeology]]></category> <category><![CDATA[Architecture]]></category> <category><![CDATA[artifacts]]></category> <category><![CDATA[Biological Growth]]></category> <category><![CDATA[bone]]></category> <category><![CDATA[bone consolidation]]></category> <category><![CDATA[bone strenghening]]></category> <category><![CDATA[brick]]></category> <category><![CDATA[Cane River Creole National Historic Park]]></category> <category><![CDATA[Cane River National Heritage Area]]></category> <category><![CDATA[CARI]]></category> <category><![CDATA[chemistry]]></category> <category><![CDATA[Community]]></category> <category><![CDATA[CRNHA]]></category> <category><![CDATA[floor coverings]]></category> <category><![CDATA[graffiti removal]]></category> <category><![CDATA[Historic Landscapes]]></category> <category><![CDATA[Historic Structures]]></category> <category><![CDATA[Inventory]]></category> <category><![CDATA[laser ablation]]></category> <category><![CDATA[marble]]></category> <category><![CDATA[masonry]]></category> <category><![CDATA[microwave radiation]]></category> <category><![CDATA[NCPTT]]></category> <category><![CDATA[paint stripper]]></category> <category><![CDATA[PIYC]]></category> <category><![CDATA[poultice]]></category> <category><![CDATA[Preservation]]></category> <category><![CDATA[Preservation in Your Community]]></category> <category><![CDATA[Sol-Gel]]></category> <category><![CDATA[tablet computer]]></category> <category><![CDATA[window treatments]]></category><guid isPermaLink="false">http://ncptt.nps.gov/?p=3951</guid> <description><![CDATA[The National Center for Preservation Technology and Training (<a title="NCPTT &#124; National Center for Preservation Technology and Training" href="http://ncptt.nps.gov">NCPTT</a>), Cane River National Heritage Area (<a title="Cane River National Heritage Area" href="http://www.nps.gov/crha">CRNHA</a>), and Cane River Creole National Historic Park (<a title="Cane River Creole National Historic Park" href="http://www.nps.gov/CARI">CARI</a>) will showcase recent research at the 9th annual Preservation in Your Community (PIYC) on August 11, 2009 at 5:30 p.m. at NCPTT’s <a title="Directions to NCPTT" href="http://ncptt.nps.gov/about-us/directions/">Lee H. Nelson Hall on Northwestern’s campus</a>.]]></description> <wfw:commentRss>http://ncptt.nps.gov/ncptt-to-host-9th-annual-preservation-in-your-community/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Removal of Arsenic and Mercury Contamination in Museums using a Natural Environmentally Benign Chemical (2006-02)</title><link>http://ncptt.nps.gov/removal-of-arsenic-and-mercury-contamination-in-museums-using-a-natural-environmentally-benign-chemical-2006-02/</link> <comments>http://ncptt.nps.gov/removal-of-arsenic-and-mercury-contamination-in-museums-using-a-natural-environmentally-benign-chemical-2006-02/#comments</comments> <pubDate>Wed, 08 Jul 2009 17:03:48 +0000</pubDate> <dc:creator>NCPTT</dc:creator> <category><![CDATA[Archeology & Collections]]></category> <category><![CDATA[Materials Conservation]]></category> <category><![CDATA[Product Catalog]]></category> <category><![CDATA[2006-02]]></category> <category><![CDATA[arsenic]]></category> <category><![CDATA[benign]]></category> <category><![CDATA[chemi]]></category> <category><![CDATA[chemistry]]></category> <category><![CDATA[Cleaning]]></category> <category><![CDATA[contamination]]></category> <category><![CDATA[mercury]]></category> <category><![CDATA[MT-2210-05-NC-06]]></category> <category><![CDATA[museums]]></category> <category><![CDATA[natural]]></category><guid isPermaLink="false">http://ncptt.nps.gov/?p=3700</guid> <description><![CDATA[Some natural science specimens and ethnographic artifacts in museums were historically treated with arsenic and mercury salts. This has created an environmental concern for museum workers and the public who may be exposed to these toxins. In addition, museums are frequently being asked to return sacred objects under the Native American Graves Protection and Repatriation Act (NAGPRA).]]></description> <wfw:commentRss>http://ncptt.nps.gov/removal-of-arsenic-and-mercury-contamination-in-museums-using-a-natural-environmentally-benign-chemical-2006-02/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Description and Analysis of NAPAP Briquette Surface Chemistry Files (1998-30)</title><link>http://ncptt.nps.gov/description-and-analysis-of-napap-briquette-surface-chemistry-files-1998-30/</link> <comments>http://ncptt.nps.gov/description-and-analysis-of-napap-briquette-surface-chemistry-files-1998-30/#comments</comments> <pubDate>Mon, 22 Sep 2008 22:48:34 +0000</pubDate> <dc:creator>NCPTT</dc:creator> <category><![CDATA[Architecture & Engineering]]></category> <category><![CDATA[Grants]]></category> <category><![CDATA[Materials Conservation]]></category> <category><![CDATA[Product Catalog]]></category> <category><![CDATA[1998-30]]></category> <category><![CDATA[Briquette]]></category> <category><![CDATA[chemistry]]></category> <category><![CDATA[NAPAP]]></category> <category><![CDATA[PTT Grant]]></category><guid isPermaLink="false">http://ncptt.nps.gov/?p=1133</guid> <description><![CDATA[NAPAP researchers exposed limestone and marble briquettes to weathering for months to years at several different sites. They sampled the briquettes and analyzed multiple layers for anion content.]]></description> <wfw:commentRss>http://ncptt.nps.gov/description-and-analysis-of-napap-briquette-surface-chemistry-files-1998-30/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Physical and Chemical Process Of Soiling and Washoff at the Cathedral Of Learning (1998-11)</title><link>http://ncptt.nps.gov/physical-and-chemical-process-of-soiling-and-washoff-at-the-cathedral-of-learning-1998-11/</link> <comments>http://ncptt.nps.gov/physical-and-chemical-process-of-soiling-and-washoff-at-the-cathedral-of-learning-1998-11/#comments</comments> <pubDate>Mon, 22 Sep 2008 19:37:18 +0000</pubDate> <dc:creator>NCPTT</dc:creator> <category><![CDATA[Grants]]></category> <category><![CDATA[Materials Conservation]]></category> <category><![CDATA[Product Catalog]]></category> <category><![CDATA[1998-11]]></category> <category><![CDATA[Cathedral of Learning]]></category> <category><![CDATA[chemistry]]></category> <category><![CDATA[deterioration]]></category> <category><![CDATA[PTT Grant]]></category> <category><![CDATA[Soiling]]></category> <category><![CDATA[Stone]]></category> <category><![CDATA[Washoff]]></category><guid isPermaLink="false">http://ncptt.nps.gov/?p=1356</guid> <description><![CDATA[Sensitive building materials such as calcareous stone are subject to accelerated deterioration by several agents. These may be physical processes such as freeze-thaw cycles, chemical processes such as reaction with sulfur dioxide gas, or biological processes such as attack by microorganisms.]]></description> <wfw:commentRss>http://ncptt.nps.gov/physical-and-chemical-process-of-soiling-and-washoff-at-the-cathedral-of-learning-1998-11/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>New Custom Polymers Technology</title><link>http://ncptt.nps.gov/new-custom-polymers-technology/</link> <comments>http://ncptt.nps.gov/new-custom-polymers-technology/#comments</comments> <pubDate>Wed, 10 Sep 2008 17:51:12 +0000</pubDate> <dc:creator>Mary Striegel</dc:creator> <category><![CDATA[Materials Conservation]]></category> <category><![CDATA[News]]></category> <category><![CDATA[adhesives]]></category> <category><![CDATA[chemistry]]></category> <category><![CDATA[Hybrid Plastics]]></category> <category><![CDATA[plastics]]></category> <category><![CDATA[polymers]]></category> <category><![CDATA[POSS]]></category> <category><![CDATA[Preservation]]></category> <category><![CDATA[resin]]></category> <category><![CDATA[Technology]]></category><guid isPermaLink="false">http://ncptt.nps.gov/?p=303</guid> <description><![CDATA[NCPTT's materials research program hosted representatives from Hybrid Plastics. The company specializes in new resin and plastics based on a new chemical technology called POSS.]]></description> <wfw:commentRss>http://ncptt.nps.gov/new-custom-polymers-technology/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
