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1,4-Dioxane from Ethylene Glycol and H2SO4
It's been a few years since I've made any but I remember having to carefully control the power outpu ... |
29-11-2023 at 05:00
by: monolithic |
Sources for buying chemicals from China
You can buy basically anything you want, legal or illegal, from Alibaba. Just filter on a reasonable ... |
27-10-2023 at 06:36
by: monolithic |
Solvent storage - metal bottles
[rquote=687859&tid=159903&author=fx-991ex]Why not brown glass bottle? i got a pack of 12*500 ... |
8-10-2023 at 09:08
by: monolithic |
Solvent storage - metal bottles
I'm looking for 150-250 ml metal storage containers with a tightly threaded lid, capable of holding ... |
8-10-2023 at 08:17
by: monolithic |
Safely quenching sodium?
That's a good idea, didn't think to keep the sodium under oil and then slowly add the IPA. The immis ... |
31-12-2022 at 15:56
by: monolithic |
Safely quenching sodium?
I have about 50 grams of homemade sodium that I want to get rid of. It's currently sitting under min ... |
31-12-2022 at 14:08
by: monolithic |
Corning PC-420D issue: Near-total loss of control
A soldering iron and a solder sucker should be all you need to remove those potentiometers. https:// ... |
5-7-2022 at 18:28
by: monolithic |
Electrolytic reduction of pyridine to piperidine
[rquote=674547&tid=158685&author=PirateDocBrown]I've had good results using a terra-cotta po ... |
24-6-2022 at 04:56
by: monolithic |
2,5-dimethoxybenzaldehyde question
You could try forming the bisulfite adduct, recrystallize, and then convert back to the aldehyde. I ... |
17-6-2022 at 09:23
by: monolithic |
Sodium Borohydride Group Buy
[rquote=654580&tid=153944&author=monolithic]If anyone is interested, I have two 150 g bottle ... |
6-6-2022 at 11:20
by: monolithic |
Modifying an existing stir plate with a stronger magnet
I had the same problem with stir bearings sticking inside flasks. If you're not doing vacuum work, p ... |
2-6-2022 at 03:26
by: monolithic |
Removing superglue from table
Nitromethane is an excellent superglue remover, as Herr Haber mentioned. It works far better than ac ... |
17-5-2022 at 03:14
by: monolithic |
Want to buy vacuum pump
Even cheap single stage Chinese HVAC pumps from Amazon can pull 250-500 microns real world (0.25 to ... |
9-4-2022 at 16:49
by: monolithic |
Condition of a used hotplate
[rquote=672295&tid=158298&author=FlashTrax]my project is progressing but:
my IKA RET Basi ... |
26-3-2022 at 11:38
by: monolithic |
My info
Sorry you're having so much trouble with people backing out. Will keep you in mind next time I need ... |
21-3-2022 at 12:37
by: monolithic |
Want to buy vacuum pump
https://www.ebay.com/sch/i.html?_from=R40&_nkw=2+stage+vacuum+pump&_sacat=0&rt=nc&LH ... |
12-3-2022 at 07:39
by: monolithic |
How do the PTFE "Chem-Vac Stirrer Bearings" work?
[rquote=671697&tid=158436&author=macckone]The stirrer bearing I have just uses an o-ring whi ... |
8-3-2022 at 07:34
by: monolithic |
Right Price Chemicals shut down
[rquote=671567&tid=158426&author=Texium]That's an absurd comparison. Just sayin'[/rquote]
... |
1-3-2022 at 12:10
by: monolithic |
Right Price Chemicals shut down
I was going through my supplier list to see which ones were still active and it looks like Right Pri ... |
1-3-2022 at 07:57
by: monolithic |
YouTube Channel Resurrection
Great to see another video.  |
22-2-2022 at 16:42
by: monolithic |
Quality 3A molecular sieves on a budget?
I do have some drying agents but I prefer using sieves for certain things.
artemov I wonder who m ... |
22-2-2022 at 05:52
by: monolithic |
Quality 3A molecular sieves on a budget?
Does anyone know of any "good" 3A molecular sieves that are cheaper than Sigma, Alfa, etc.? I've bou ... |
21-2-2022 at 14:19
by: monolithic |
Broke the plastic in/out port of my KNF N811 vacuum pump.
Is the part as simple as it looks? You could probably pay a machinist half of that to machine a bran ... |
9-2-2022 at 15:37
by: monolithic |
Condition of a used hotplate
160 C seems too low. Nurdrage uses a similar hot plate in his videos, it has no problem hitting 200 ... |
19-1-2022 at 17:01
by: monolithic |
Replacing a broken bleeder valve on a vacuum pump
I'd call it a manifold, too. I can't really find anything like that. Probably be easier to befriend ... |
17-1-2022 at 13:06
by: monolithic |
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