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Need help with lab glass setup (many questions)
Is your problem partly because you can't get the condensate through the Graham coil fast enough?
... |
27-5-2015 at 20:09
by: Magpie |
Synthesis of Diethyl Ether
I don't think so. The big advantage of H2SO4 is that it is a non-volatile acid. HCl is a very vola ... |
27-5-2015 at 20:01
by: Magpie |
stepper motor power supply
An overhead stirrer:
http://www.sciencemadness.org/talk/viewthread.php?tid=41539&page=5#pid38 ... |
27-5-2015 at 19:18
by: Magpie |
stepper motor power supply
[rquote=406942&tid=62560&author=neptunium]now you know .
[/rquote]
Wow, that's worse t ... |
27-5-2015 at 18:08
by: Magpie |
stepper motor power supply
I'm sorry, I mean a car battery charger. And, yes, it's a stepper motor, not a "DC motor."
I wou ... |
27-5-2015 at 17:18
by: Magpie |
stepper motor power supply
Presently I power my stepper motor with a 12vdc supply salvaged from an old computer. I'm assuming ... |
27-5-2015 at 15:28
by: Magpie |
Effective apparatus to use when making Anhydrous Ammonia?
Check out this thread:
http://www.sciencemadness.org/talk/viewthread.php?tid=4566
Both garage ... |
27-5-2015 at 08:41
by: Magpie |
Purification of benzaldehyde?
An ebulliator should stop that violent bumping. Use of one is usually needed for vacuum distillatio ... |
25-5-2015 at 20:41
by: Magpie |
Purification of benzaldehyde?
This may prove useful:
http://www.sciencemadness.org/talk/viewthread.php?tid=26075 |
25-5-2015 at 18:49
by: Magpie |
Scientific glassblowing students for hire or trades. Want something made?
[rquote=355236&tid=37974&author=theglassguy] my e-mail is ababino@studnets.salemcc.edu . [/r ... |
25-5-2015 at 12:16
by: Magpie |
Acetaldehyde synthesis
[rquote=406382&tid=55&author=xfusion44]
I also thought about possible explosions, but haven ... |
24-5-2015 at 09:13
by: Magpie |
Acetaldehyde synthesis
Beautiful sketch!
What's to prevent a fire (explosion) in that jar?
As the previous commenter ... |
24-5-2015 at 07:39
by: Magpie |
de Prony brake dynamometer
My tachometer is electronic, taking pulses from my motor driver module. I'm presuming that this is ... |
24-5-2015 at 06:55
by: Magpie |
de Prony brake dynamometer
I think you are right as even though the shaft is rotating there is no acceleration. So I erred in ... |
23-5-2015 at 18:55
by: Magpie |
de Prony brake dynamometer
Thanks, smaerd. I didn't do much research to learn how to build this de Prony brake. I just saw a ... |
22-5-2015 at 17:54
by: Magpie |
de Prony brake dynamometer
I plan to upgrade my stepper motor mixer with a faster motor to allow a speed increase from the pres ... |
22-5-2015 at 16:17
by: Magpie |
Chemistry sets- Changing times...
[rquote=406048&tid=62484&author=diggafromdover]
In our age, Linus would have ended up a div ... |
22-5-2015 at 10:15
by: Magpie |
Making a Heated Sparge Tube
edited:
I have removed this procedure until I can develop a more rugged tube
The non-annealed ... |
20-5-2015 at 13:49
by: Magpie |
Police Drive-By
I always wear ear protection when mowing the lawn, the ear muff type. My son does too. I used to w ... |
20-5-2015 at 08:30
by: Magpie |
An interesting interview
[rquote=405602&tid=62453&author=blogfast25]
That's the thing with amateur chemistry: you en ... |
19-5-2015 at 18:14
by: Magpie |
disulfur dichloride
Thank you for the link to the patent. I don't blame you for not wanting to prepare and use SO3. Bu ... |
18-5-2015 at 18:17
by: Magpie |
Noob gets started
During high school summers I worked for my uncle on his wheat/pea farm. Of course he had a repair s ... |
16-5-2015 at 19:44
by: Magpie |
Police Drive-By
I wouldn't worry about it. Many including me wear safety goggles when cutting and grinding metals. ... |
16-5-2015 at 19:30
by: Magpie |
Glassblowing
Here's some more pictures taken of the polariscope in use. I tried to clean all the surfaces with g ... |
16-5-2015 at 19:22
by: Magpie |
DEA investigates possible HazMat lab in Newport News home
Thank you. I see the situation has been updated.
What I got out of these reports:
*neighbor c ... |
16-5-2015 at 17:43
by: Magpie |
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