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Hi Mandy,</div>
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We have and do face similar fume hood bottlenecks. I will let others speak more specifically about soaking in water with a lid on, but we solved many of our problems by purchasing a 'portable' (well, moveable...it's on a stand on casters) fume hood specially
fitted with formaldehyde filters and alarm. If this is of interest let me know and I'm happy to pass on supplier info, etc.</div>
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Cheers,</div>
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Tonya</div>
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Collection Manager</div>
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Australian National Wildlife Collection, CSIRO</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> on behalf of Mandy Reid <Mandy.Reid@Australian.Museum><br>
<b>Sent:</b> Thursday, 22 September 2022 11:17 AM<br>
<b>To:</b> nhcoll-l@mailman.yale.edu <nhcoll-l@mailman.yale.edu><br>
<b>Cc:</b> Rhiannon Stephens <Rhiannon.Stephens@Australian.Museum><br>
<b>Subject:</b> [Nhcoll-l] Formalin transfer</font>
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<p class="x_MsoNormal"><a name="x__Hlk43465280">We are currently working on a large project at the Australian Museum to transfer our entire mollusc collection out of formalin (in which it has been stored for historical reasons) and into ethanol for long term
preservation.</a></p>
<p class="x_MsoNormal"><span style=""> </span></p>
<p class="x_MsoNormal"><span style="">We normally soak each specimen lot out in 3 changes of water in a fume hood with lids left off the containers/vials etc. to assist with degassing of the formaldehyde in solution. Our problem is a bottleneck in our workflow
due to limitations imposed by our fumehood work space. I am wondering whether others in the group have faced similar issues and whether soaking out can possibly be done in water but leaving the lids on the containers (hence could be done on a lab bench after
pouring off the formalin in the fume hood)? We don’t have a way to measure residual formalin after the soaking-out process so don’t know whether or not this will be effective.
</span></p>
<p class="x_MsoNormal"><span style=""> </span></p>
<p class="x_MsoNormal"><span style="">Any advice would be much appreciated.</span></p>
<p class="x_MsoNormal"><span style="">Mandy</span></p>
<p class="x_MsoNormal"><span style=""> </span></p>
<p class="x_MsoNormal" style="line-height:150%"><span style=""><b><span style="font-size:10.0pt; line-height:150%; font-family:"Arial",sans-serif">Dr Mandy Reid</span></b></span><span style=""><span style="font-size:10.0pt; line-height:150%; font-family:"Arial",sans-serif">
</span></span></p>
<p class="x_MsoNormal" style="line-height:150%"><span style=""><span style="font-size:10.0pt; line-height:150%; font-family:"Arial",sans-serif">Collection Manager | Malacology
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