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Lab gadgets In my continuing effort to organize my lab here is a picture of my theremometers. Toggle to turn. ...	1-9-2018 at 08:59 by: Magpie
Catechol preparation The correct scale was 0.183, as you have pointed out. Therefore I should have used 3x 274ml toluene ...	31-8-2018 at 21:09 by: Magpie
My vacuum pump I have a $90 US General vacuum pump from Harbor Freight that I bought several years ago.When I neede ...	31-8-2018 at 17:46 by: Magpie
Catechol preparation Thank you for your constructive comments. If I ever do this again I will incorporate your suggestio ...	31-8-2018 at 08:56 by: Magpie
Catechol preparation [b]Preparation of Catechol from Guaiacol[/b] ...	30-8-2018 at 14:42 by: Magpie
Disappointed with College Chemistry My high school chemistry year was good and there was no such thing as AP in those days (1960). The ...	29-8-2018 at 20:52 by: Magpie
Any place to get granular purified silicone dioxide for chemistry applications? I have use fine sand used for lizard/snakes at a pet store.	27-8-2018 at 18:37 by: Magpie
Tour My Lab Here's a picture of the AC my son and I installed in the wall of my lab. It is good for 350ft^2 floo ...	24-8-2018 at 18:09 by: Magpie
Attempting anhydrous ethanol with CaO Slaked lime, Ca(OH)2, can be found at the garden store and at Ace Harware as pickling lime. This ca ...	16-8-2018 at 14:05 by: Magpie
Tour My Lab [rquote=514554&tid=4777&author=j_sum1] It always seems to me that workable bench space an ...	13-7-2018 at 07:50 by: Magpie
steam distillation problem - condensation before main flask see my post here: https://www.sciencemadness.org/whisper/viewthread.php?tid=61988#pid399298	12-7-2018 at 14:02 by: Magpie
Slow high torque electric motors for stirrer? I just finished running the motor for 2hrs at load. The driver was too hot to touch. I will take i ...	26-6-2018 at 11:33 by: Magpie
Slow high torque electric motors for stirrer? A heat sink is an integral part of the driver.	25-6-2018 at 17:58 by: Magpie
joined a while back want to say hello [rquote=522746&tid=84379&author=woelen] I also made quite a few exotic reagents myself, suc ...	25-6-2018 at 07:41 by: Magpie
Slow high torque electric motors for stirrer? Yes, thanks, I have used an A4988 driver also. I'm now using the Toshiba 6600-4.0 driver as it cam ...	25-6-2018 at 07:32 by: Magpie
Slow high torque electric motors for stirrer? I finally got my stepper motor mixer to run: https://youtu.be/XqfUjIYf0k0 I don't know why it ...	24-6-2018 at 18:15 by: Magpie
What are the hard white rubber stoppers made of ? I recommend checking out the Widget company. They have most kinds of rubber stoppers. You can buy ...	19-6-2018 at 07:44 by: Magpie
Bad days in the lab or with glassware? Seeing a wisp of smoke rising from your stepper motor driver constitutes a bad day. Fortunately I h ...	16-6-2018 at 18:33 by: Magpie
Just joined...Saying hello to everybody. Thank you MJ101. I may very well need some help down the road. Right now I just connected with a ...	14-6-2018 at 08:19 by: Magpie
Just joined...Saying hello to everybody. Welcome! There is a lot you can do in your kitchen or garage. I have a lab in my garage but some j ...	14-6-2018 at 05:25 by: Magpie
What is the point of amateur chemistry? I love Peter Stormare. He's a Swede you know, hence his sometimes crude English. Notice he doesn't ...	13-6-2018 at 12:13 by: Magpie
Failed synthesis of cyclohexanol from cyclohexene. I could find the OP's synthesis neither in OrgSyn nor in Vogel. I'm wondering if this reaction is j ...	4-6-2018 at 14:41 by: Magpie
Preparation of “Absolute” Ethanol (<100 ppm water) The reaction between CaO and water is 2-phase. Therefore, strong mixing is important. Even with st ...	3-6-2018 at 15:01 by: Magpie
How useful is a laboratory glsssware powder auger? Here's some more experience with powder addition: http://www.sciencemadness.org/talk/viewthread.p ...	3-6-2018 at 08:37 by: Magpie
Preparation of “Absolute” Ethanol (<100 ppm water) [rquote=520327&tid=80742&author=Boffis]@ Magpie; Is it necessary to heat the suspension of c ...	3-6-2018 at 06:09 by: Magpie
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