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Modifying a diaphragm pump to achieve high vacuums - what is the limiting factor for lowest vacuum?
I have a KNF 726.3 vacuum pump which can pull 10-15 torr. The check valves in it are pretty simple, ...
18-4-2019 at 03:46
by: monolithic
Cadmium Iodide (CdI2) For Sale!!!
How big is your chemical collection? You always have interesting things on hand. :)
17-4-2019 at 08:46
by: monolithic
high temprerature seal up to 900 celsius
How are you getting steam to 900C unless you're superheating under absurd pressure?
12-4-2019 at 09:48
by: monolithic
Possible OTC, 'safe' methylating agents
I may have found a very OTC source of dimethyl carbonate: Savogran Heavy Duty SuperStrip (non-DCM). ...
8-4-2019 at 17:16
by: monolithic
sharing Awesome Chemical Pictures (Read first comment)
[rquote=606185&tid=146675&author=Chem Science]These two are very obvious when they are side ...
26-3-2019 at 17:50
by: monolithic
Storing over drying agents - degradation?
[rquote=605481&tid=146555&author=RogueRose]I forget is it was this site or another chemistry ...
16-3-2019 at 07:50
by: monolithic
Storing over drying agents - degradation?
[rquote=605476&tid=146555&author=DavidJR]Molecular sieves 3A are a good near-universal choic ...
16-3-2019 at 06:12
by: monolithic
Storing over drying agents - degradation?
If I'm doing something that requires a dry solvent I will dry and re-distill on an as-needed basis. ...
16-3-2019 at 05:23
by: monolithic
ACS (certified) Reagent grade 99.8%+ Iodine flakes (Fischer) & 30% ACS Reagent H2O2 available
How well does iodine store (i.e. will it leak through threaded caps or destroy PTFE lined caps)? I m ...
19-2-2019 at 16:29
by: monolithic
4-Allylcatechol Methylenation
Another interesting write-up, thank you for your contributions. :) Just curious, have you taken a lo ...
13-2-2019 at 20:13
by: monolithic
Sigma-Aldrich
[rquote=601123&tid=140888&author=zed]Yup! Aldrich has always been kind of stand-off-ish. A ...
9-2-2019 at 05:50
by: monolithic
Chemistry with terracotta pots - what are some experiments that can be done?
Yeah, plumber's putty is out if you're using acidic electrolytes. It lasted less than 5 minutes with ...
3-2-2019 at 05:00
by: monolithic
Chemistry with terracotta pots - what are some experiments that can be done?
[rquote=595490&tid=139027&author=MrHomeScientist]As others mentioned, I've used one as a mem ...
2-2-2019 at 13:56
by: monolithic
Sigma-Aldrich
[rquote=597920&tid=140888&author=ChemistryForever]Not that I want exactly to buy something. ...
2-2-2019 at 13:55
by: monolithic
Sigma-Aldrich
What are you trying to buy? You might be able to find it elsewhere.
1-2-2019 at 18:29
by: monolithic
Chemical suppliers that sell to individuals?
[rquote=576026&tid=123187&author=ScienceHideout]I've always wanted to try ordering from Alib ...
3-1-2019 at 18:06
by: monolithic
Demethylation of Vanillin and Eugenol
[rquote=564249&tid=92847&author=Loptr]Has anyone seen this paper about demethylation of meth ...
2-1-2019 at 19:33
by: monolithic
KNF UN726.3 FTP vacuum pump for sale!
[rquote=571552&tid=116042&author=stoichiometric_steve]
That sounds like the heads are out o ...
30-12-2018 at 05:25
by: monolithic
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
20 gallons of solvent at a time? Are you running a pilot plant out of your apartment/garage? That's ...
28-12-2018 at 21:17
by: monolithic
NaH2PO2 from China on Ebay?
[rquote=567979&tid=116454&author=Mr. Rogers][rquote=567612&tid=116454&author=monolit ...
24-12-2018 at 05:16
by: monolithic
NaH2PO2 from China on Ebay?
Just because you managed to import it before, or just because you can order it on eBay doesn't mean ...
23-12-2018 at 08:24
by: monolithic
KNF UN726.3 FTP vacuum pump for sale!
I'm selling my KNF UN726.3 FTP vacuum pump. The manual and specifications can be found here: https:/ ...
22-12-2018 at 11:02
by: monolithic
Buchi B-169 vacuum recirculating aspirator for sale!
Item has been sold.
21-12-2018 at 12:56
by: monolithic
Rusting from HCl Bottle
[rquote=560298&tid=110220&author=Mr. Rogers][rquote=560294&tid=110220&author=monolit ...
8-12-2018 at 15:13
by: monolithic
Rusting from HCl Bottle
[rquote=560099&tid=110220&author=Abromination]I'm not spending money on a gallon glass bottl ...
8-12-2018 at 14:01
by: monolithic
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