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Tour My Lab
Yes, you are correct. The bypass opening is necessary to provide a path for airflow. If you were t ...
18-10-2018 at 13:35
by: Magpie
Pictures of members.
Here I am grinding corn for my grandchild. He was doing some grinding at his house.



[file] ...
16-10-2018 at 17:41
by: Magpie
Anyone find SM too quiet?
I'm retired so have lots of time although duck hunting will soon take up some time. We just need s ...
15-10-2018 at 18:03
by: Magpie
Slow high torque electric motors for stirrer?
I modified the top of my autoclave to install a port for the 5/16" shaft. Attached to this port is ...
15-10-2018 at 17:52
by: Magpie
Fume Hood Exhaust
try using the search engine.

https://www.sciencemadness.org/whisper/viewthread.php?tid=67235
15-10-2018 at 16:20
by: Magpie
Anyone find SM too quiet?
[rquote=543624&tid=97768&author=j_sum1]
... people have logged on but been unwilling to wad ...
15-10-2018 at 13:55
by: Magpie
How do you think the general public think of this forum?
I think most chemists, educators, etc are unaware of this forum. However, if you do a search on how ...
12-10-2018 at 17:27
by: Magpie
How to maintain 0C Cooling Bath for 12 hours?
Use acetone/dry ice in a styrofoam cooler or Dewar. This can be as cold as -80°C.
11-10-2018 at 13:00
by: Magpie
Tired of reporting spam
Would it be possible to have the forum software automatically delete:

1. posts in Russian?
2. po ...
8-10-2018 at 14:15
by: Magpie
Preparation of Diethyl Sulfate
Here's the data and results from the 3 Et2SO4 runs I have made:



[file]71130[/file] [file]711 ...
6-10-2018 at 13:54
by: Magpie
Preparation of Diethyl Sulfate
I tried this synthesis again keeping the temperature of the salt on the low side. I got not diethyl ...
5-10-2018 at 20:09
by: Magpie
Why some countries have more terrorist attacks than others?
Italy doesn't have much terrorism because the Mafia takes care of troublemakers as they are bad for ...
3-10-2018 at 17:47
by: Magpie
It's Black walnut time again - suggestions on what to do with them?
I love black walnuts. Excellent for eating raw and for using in ice cream.

I've often wondered h ...
2-10-2018 at 07:16
by: Magpie
Slow high torque electric motors for stirrer?
I finally have the large OrientalMotor stepper motor running using the Toshiba 60 driver. In the at ...
1-10-2018 at 17:47
by: Magpie
Avast HTML file conversion
I am trying these file converters but having no luck. There's always some hangup along the way in t ...
29-9-2018 at 18:25
by: Magpie
Avast HTML file conversion
I have an Avast HTML video file that I need to convert so that it can be posted in this forum. Can ...
29-9-2018 at 11:31
by: Magpie
Preparation of ethyl sulfate
My 18" TC arrived so I ran this synthesis again. The equipment set-up was perfect and I ran it exac ...
28-9-2018 at 14:41
by: Magpie
Preparation of Nitric Acid
You shouldn't have to heat it so much. The azeotrope comes over at 120°C. Did you add the require ...
26-9-2018 at 17:25
by: Magpie
How to deal with oil mist on vacuum pumps?
If there are no gases going through your pump you will have no oil mist. I don't get any mist excep ...
21-9-2018 at 09:12
by: Magpie
Vac Distillation of Water keeps stalling? Too high vacuum?
[rquote=537020&tid=93298&author=beerwiz]
Could the vacuum pump be pulling too strong of a v ...
20-9-2018 at 18:27
by: Magpie
How to deal with oil mist on vacuum pumps?
Seal your system so no gases (includes air) are moving through the pump. Or at least minimize the g ...
20-9-2018 at 18:20
by: Magpie
Demethylation of Vanillin and Eugenol
[rquote=536834&tid=92847&author=clearly_not_atara]
For vanillin, HBr is known to work. [/rq ...
20-9-2018 at 09:10
by: Magpie
Demethylation of Vanillin and Eugenol
Might the OrgSyn preparation of catechol from guaiacol be useful here?

https://www.sciencemadness ...
19-9-2018 at 13:02
by: Magpie
Any ideas to passivate stainless steel against chlorine?
I once worked in a paper mill with stainless steel headbox and fourdrinier. Passivating was done wi ...
16-9-2018 at 09:37
by: Magpie
Building a peristaltic pump for small volumes/rates.
A week ago I had three peristaltic pumps that didn't work. Two of them were brand new. Today all 3 ...
15-9-2018 at 17:34
by: Magpie
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