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Suggestions for glass joint-grease that won't get stuck after vacuum distillations?
If you want Dow vacuum grease there's almost always someone on eBay selling it new in the tube for 1 ... |
8-8-2020 at 03:31
by: monolithic |
Run Vacuum Pump with Relay Timer (On 2 Sec Off 60 Sec)?
How hot is "hot"? My diaphragm pump reaches 45-48 C around the heads and the motor housing. It's run ... |
8-8-2020 at 03:20
by: monolithic |
Latest chemical order?
Does anyone know where I can get vanillin for cheap? I thought it would be relatively cheap (under $ ... |
4-8-2020 at 15:29
by: monolithic |
Don't shake that chlorine generator
Had a similar feeling when I caught a whiff of GAA at 80 C. It really hurt. |
4-8-2020 at 10:24
by: monolithic |
Disposal of solvents
If you have a car you can clean up the methanol and mix it with water and blue dye. Free windshield ... |
31-7-2020 at 10:37
by: monolithic |
Disposal of solvents
The fan you linked has a shaded pole motor (I have the exact fan.) It's an induction motor so there ... |
31-7-2020 at 08:04
by: monolithic |
SmCo stir bars worth it?
[rquote=641848&tid=155887&author=Sulaiman]d.c. / permanent magnet motors make excellent stir ... |
30-7-2020 at 07:04
by: monolithic |
SmCo stir bars worth it?
[rquote=641842&tid=155887&author=unionised]
You used to be able to buy (and I guess you cou ... |
30-7-2020 at 05:46
by: monolithic |
SmCo stir bars worth it?
[rquote=641778&tid=155887&author=Dr.Bob]I don't think I have ever tried one in all my years ... |
29-7-2020 at 19:02
by: monolithic |
SmCo stir bars worth it?
While attempting the NurdRage sodium synthesis my cheap PTFE stir bar (probably Alnico) suddenly die ... |
28-7-2020 at 17:50
by: monolithic |
Vacuum pump for vacuum distillation.
[rquote=641498&tid=155264&author=Fyndium]My pump is getting alarmingly low on oil. I looked ... |
26-7-2020 at 13:49
by: monolithic |
Ammonium Nitrate Purity?
[rquote=641316&tid=155733&author=Brightthermite]I believe you would be okay to use a machine ... |
24-7-2020 at 12:16
by: monolithic |
Ammonium Nitrate Purity?
[rquote=641247&tid=155733&author=Brightthermite]
Freeze precipitation it what I found to wo ... |
23-7-2020 at 15:19
by: monolithic |
Ammonium Nitrate Purity?
As a follow up, the AN was recrystallized from water. Basic procedure was to mix 5 pounds of AN with ... |
22-7-2020 at 12:51
by: monolithic |
Syringol from pyrogallol
[rquote=641058&tid=155756&author=TheMasterOfTheInternet]
I can even find it on Amazon and E ... |
20-7-2020 at 06:58
by: monolithic |
Chloroform from TCCA instead if hypochlorite?
Not too long ago I calculated the cost of this, using TCCA + NaOH + acetone to yield chloroform usin ... |
16-7-2020 at 16:43
by: monolithic |
Steam distillation tubing size?
[rquote=640280&tid=155760&author=CouchHatter]Consistent rate of steam generation matters mor ... |
10-7-2020 at 07:01
by: monolithic |
Ammonium Nitrate Purity?
Did you order this on Amazon? I just did the same, hope the purity can be improved through recrystal ... |
9-7-2020 at 07:33
by: monolithic |
U.S. based suppliers that will sell to individuals?
I've had good luck with Consolidated Chemical and Chemsavers. The latter will charge you an addition ... |
8-7-2020 at 15:45
by: monolithic |
Short question / quick answer - Thread
Are there any good books that cover practical syntheses and applications of energetic materials? I'v ... |
25-6-2020 at 18:52
by: monolithic |
Acetic anhydride preparation
[rquote=638561&tid=9&author=Waffles SS]Or why someone didnt try NaPO3(Sodium Metaphosphate) ... |
23-6-2020 at 18:07
by: monolithic |
Disappointing results with 3A molecular sieves
You might find this paper interesting: https://sci-hub.tw/10.1021/jo101589h
Fines can be an issue ... |
20-6-2020 at 04:04
by: monolithic |
how to pump nitric acid?
Venturi pump if you have access to compressed air but it's not going to be quiet or clean. Industria ... |
19-6-2020 at 14:00
by: monolithic |
CHP from KClO4?
Does anyone have the primary reference for CHP synthesis? Maybe I'm not looking in the right place b ... |
19-6-2020 at 08:54
by: monolithic |
Vacuum and fractional distillation
Those types of gauges aren't very accurate especially when you're trying to resolve a few mm Hg. You ... |
15-6-2020 at 10:56
by: monolithic |
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