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<span style="text-transform: none;"><b>The Weekly Mix</b></span></div>
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Volume: Spring 2026 | Edition: Week 3</div>
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<span style="font-family: Arial, sans-serif;">Schedule</span></h2>
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<span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">As you hopefully have heard by now, in-person classes are canceled on Monday 1/26 and Tuesday 1/27. As of right now, we will plan to
have lab in person on Wednesday 1/28. Carts will need placed into their Wednesday morning positions when we open on Wednesday. Schedule for the week is below.</span></p>
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<span style="font-family: Arial, sans-serif;">Experimental Details</span></h2>
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<span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51);">Review the window notes and any associated equipment guides for additional details. Please refer to
<a href="https://lists.osu.edu/pipermail/preplabstudents/2026-January/000327.html" data-outlook-id="a2b106c3-29bf-4943-82c9-e7e5b9cd474f" style="margin-top: 0px; margin-bottom: 0px;">
last week’s edition</a> for details on DPR, and INK.</span></p>
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<span style="background-color: rgb(255, 255, 255); line-height: 1.3;"><b>MSR</b></span></div>
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<span style="background-color: rgb(255, 255, 255);">We have a bin for broken burets, in some cases we can salvage them. (List price is ~$200 per buret) Please keep any pipet pumps that have broken off pipets in them or are leaking in the designated bin- we
may be able to salvage them. Details on where the place these broken items are available in the window notes.</span></div>
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<span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 1.3;"><b>MGB</b></span></p>
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<span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">Model kits will be provided on the bench beside Hood A. Replacement parts are available in both windows if needed.</span></p>
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<span style="background-color: rgb(255, 255, 255); line-height: 1.3;"><b>CPC</b></span></div>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">Emma and
</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">Sarah</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);"> setup
the stills in 210, 220, and 230 on Friday. We did not </span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">anticipate</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);"> campus
being closed on Tuesday, so rooms 240, 250, and 260 do not yet have stills setup. I will plan to
</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">tackle</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);"> these
as early as possible on Wednesday morning. </span></p>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">The distillation apparatus needs to be unplugged when not in use. Ideally, the water pump and heating mantle should
be plugged in and turned on about 10-15 minutes before the lab session starts. The apparatus needs to be checked
</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); text-transform: none;"><i>at least every 30 minutes</i></span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);"> by
someone from the lab support window. Set a timer for 30 minutes to remind yourselves.
</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 134, 240); background-color: rgb(255, 255, 255); text-transform: none;"><a href="https://youtu.be/a8J57oDHy_I" title="https://youtu.be/a8J57oDHy_I" data-outlook-id="82ed922c-ecba-4da4-917c-a0f37f94d849" style="color: rgb(0, 134, 240); margin-top: 0px; margin-bottom: 0px;">This
video shows how to add ice and transfer water from the receiving flask to the heating flask (still pot) properly</a></span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); text-transform: none;">.
You must watch this video prior to the start of CPC. </span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(200, 38, 19); background-color: rgb(255, 255, 255); text-transform: none;">Remember the end of both pieces
of tubing (from the condenser and to the condenser) should be inside the bucket.</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); text-transform: none;"> </span></p>
<div style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">
<span style="background-color: rgb(255, 255, 255); text-transform: none;">If you need to stop heating the flask for any reason, turn the heating mantle off and lower it away from the flask. This is why we set them up so high- it makes it easier to kill the
heat quickly.</span></div>
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<span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 1.3;"><b>SOL</b></span></p>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">Remember that 15-mL tubes are now behind the whiteboards. We’re going
to be using vortex mixers for this experiment. These have been placed at each snorkel, so each room only has 7. They are touch activated, so pushing the capped tube on the inner cone starts the mixer. We may have a learning curve here. Please collect emptied
green 15-mL falcon tube racks in the designated bin in the lab support window. The blue buckets for this experiment will be kept in Hood A to help manage the pentanol odor.</span></p>
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<span style="background-color: rgb(255, 255, 255); line-height: 1.3;"><b>LCP</b></span></div>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, sans-serif; font-size: 15px; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255);">Students will be using ice toward the end of lab. We do not provide
scoops for ice, instead students should use an empty beaker from their drawer. At least one glove should be removed when walking through the hallway. If students are in the hallway with two gloved hands, please gently ask them to remove one glove. Additional
commentary is not necessary.</span></p>
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<span style="font-family: Arial, sans-serif;">Other Information</span></h2>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"><b>Lab Manuals</b></span></p>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">We will continue to leave boxes of lab manuals in the labs until Monday sections actually have a chance to meet. </span></p>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"><b>Window Notes</b></span></p>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">Please be sure you are reading the window notes</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51);">…</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"> Even
if you</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51);">’</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">ve been around awhile. We</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51);">’</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">re
seeing questions in the GroupMe that are clearly answered in the window notes.</span></p>
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<span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"><b>One-A-Days Name Update</b></span></p>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">One-a-days will now be called “One-an-hours” to better reflect the expectation that they
are not a one and done, but rather one per hour. The instructional text on the Daily Sheet has been
</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51);">updated</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"> to the following: "On any day you work and
are not assigned to the lab support window for your entire shift, you are expected to complete one task from the list below for each hour you are not scheduled in the window. You may choose any task(s) from the list and may repeat the same task if desired.
Tasks can be completed at any time during your shift; they do not need to be done all at once. After completing tasks, write your name and the number of times you completed each task on the Daily Sheet Board.</span><span style="font-family: Arial, Arial, Helvetica, sans-serif; color: rgb(51, 51, 51);">”</span></p>
<p dir="ltr" style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"><b>Waste Protocol Updates</b></span></p>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">Lab debris waste in the blue barrels near oxidizers table will be sealed by Sarah or Emma
once they become full. Sarah or Emma will also replace the blue barrel with a new labeled one. We will no longer have separate barrels for plastic and paper. We will still have designated barrels for glass.</span></p>
<p dir="ltr" style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);"><b>Prep Lab Staff Meetings</b></span></p>
<p style="text-align: left; text-indent: 0px; line-height: 1.3;"><span style="font-family: Arial, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(51, 51, 51);">It’s ok to walk through the office while the staff are meeting. We usually meet on Tuesdays
at 2, but it can get moved around as life gets in the way.</span></p>
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<span style="color: rgb(102, 102, 102);">General Chemistry Prep Lab • Department of Chemistry and Biochemistry • THE Ohio State University<br>
</span><span style="color: rgb(0, 120, 212);"><a href="mailto:preplabstaff@lists.osu.edu" id="OWA7fc7fa66-2949-53c8-c84a-7dc115d3ebed" class="ms-outlook-linkify OWAAutoLink" title="mailto:preplabstaff@lists.osu.edu" data-outlook-id="221d003b-decd-4644-9507-88c749f7696a" style="color: rgb(0, 120, 212);">preplabstaff@lists.osu.edu</a></span></div>
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<span style="font-family: "Buckeye Sans 2"; color: rgb(201, 27, 0); text-transform: none;"><i>Be sure you are reading the entirety of this email message. You are accountable for the entirety of all messages sent to you by the Prep Lab Staff. Emails sent to
</i></span><span style="font-family: Aptos, sans-serif; color: rgb(0, 120, 212); text-transform: none;"><i><u><a href="mailto:preplabstudents@lists.osu.edu" title="mailto:preplabstudents@lists.osu.edu" data-outlook-id="3f9e6c1b-8d88-4056-b5a1-7793f41c60d2" style="color: rgb(0, 120, 212);">preplabstudents@lists.osu.edu</a></u></i></span><span style="font-family: "Buckeye Sans 2"; color: rgb(201, 27, 0); text-transform: none;"><i> are
archived for your convenience at </i></span><span style="font-family: Aptos, sans-serif; color: rgb(0, 120, 212); text-transform: none;"><i><u><a href="https://lists.osu.edu/pipermail/preplabstudents/" title="https://lists.osu.edu/pipermail/preplabstudents/" data-outlook-id="1766334a-fda4-4ab3-84be-b433a7aa98b3" style="color: rgb(0, 120, 212);">https://lists.osu.edu/pipermail/preplabstudents/</a></u></i></span></div>
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