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<p class="MsoNormal"><span style="color:#1F497D">Dee<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">This is in use since 1984 for treating pyrite decay in fossils and their matrix, and can be very effective.
<a href="https://www.palass.org/publications/palaeontology-journal/archive/27/2/article_pp421-424">
https://www.palass.org/publications/palaeontology-journal/archive/27/2/article_pp421-424</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">It is a brand name for monoethanolaminethioglycollate (we call it ET for short in our museum!). Highly alkaline and corrosive, check safety sheets and read up using more recent publications before using. It is
supplied at 40% and used at around 4% in solvents or as a poultice. It turns purple when it has reacted with the pyrite breakdown products. Multiple applications will see paler purple and eventually clear, indicating you work is done. Washing out pyrite decay
products is often followed by consolidation to retain physical integrity of the specimen.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Nigel<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Mr Nigel T. Monaghan</span></b><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Keeper – Natural History Division<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">National Museum of Ireland
</span></b><b><span style="font-size:10.0pt;mso-fareast-language:EN-IE">– <span style="color:black">
Natural History,</span></span></b><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><br>
</span><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Merrion St. Dublin 2, Ireland.<br>
D02 F627<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">T: +353-1-6486-354 | M: +353-87-7985570<br>
</span><span style="font-size:10.0pt;mso-fareast-language:EN-IE"><a href="http://www.museum.ie/" target="_blank"><span lang="EN-US" style="color:blue">Website</span></a></span><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"> | </span><span style="font-size:10.0pt;mso-fareast-language:EN-IE">@KeeperNH</span><span lang="EN-US" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">The National Museum of Ireland – Natural History remains closed for essential works<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Group bookings must be made through bookings@museum.ie<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Research visitors must make appointments in advance of any proposed visit.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Visit:
<b>Down to Earth – Exploring Ireland’s Geology</b> <a href="https://www.museum.ie/en-IE/Museums/Decorative-Arts-History/Exhibitions/Down-to-Earth">
https://www.museum.ie/en-IE/Museums/Decorative-Arts-History/Exhibitions/Down-to-Earth</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Virtual Visit: See our 3D interiors at
</span><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:EN-IE"><a href="http://www.museum.ie/nh3d"><span style="color:blue">http://www.museum.ie/nh3d</span></a></span><u><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">
</span></u><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Watch: We are one of the Dublin stories on
</span><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:EN-IE"><a href="http://storymap.ie/dead-zoo"><span style="color:blue">http://storymap.ie/dead-zoo</span></a></span><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">
also at </span><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:EN-IE"><a href="http://www.youtube.com/watch?v=VunX2u_mQWw"><span lang="EN-GB" style="color:blue">http://www.youtube.com/watch?v=VunX2u_mQWw</span></a>
</span><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"> </span><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black;mso-fareast-language:EN-IE">Read: Guide to the National Museum of Ireland - Natural History, €5.95 from Museum Shops, free on our website</span><span style="mso-fareast-language:EN-IE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-IE">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-IE"> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu>
<b>On Behalf Of </b>Dee Stubbs-Lee<br>
<b>Sent:</b> Thursday 3 February 2022 14:04<br>
<b>To:</b> nhcoll-l@mailman.yale.edu<br>
<b>Subject:</b> [Nhcoll-l] thoughts on "Pyrite Stop" product?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-CA">Apologies for cross posting.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#333333;mso-fareast-language:EN-CA">A colleague in our Geology and Palaeontology section has asked my opinion on a new product that has come to his attention that is being marketed as preventing or correcting
pyrite disease (<a href="https://www.zoicpalaeotech.co.uk/products/pyrite-stop" title="https://www.zoicpalaeotech.co.uk/products/pyrite-stop"><span style="font-family:"Arial",sans-serif;color:blue">www.zoicpalaeotech.co.uk/products/pyrite-stop</span></a>).
As my experience with mineralogical collections is quite limited, I would like to get thoughts from colleagues on the listserv about the product's suitability for use with pyritic materials in museum mineralogical collections, particularly where both environmental
control in collections storage and laboratory ventilation are sub-optimal. <o:p>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#333333;mso-fareast-language:EN-CA"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#333333;mso-fareast-language:EN-CA">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#333333;mso-fareast-language:EN-CA">Dee<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">Dee A. Stubbs-Lee, MA, CAPC<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">Conservator / Restauratrice<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">New Brunswick Museum<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">277 Douglas Avenue<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">Saint John, New Brunswick<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">E2K 1E5<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">Canada<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US" style="mso-fareast-language:EN-CA">(506) 643-2341<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
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