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Glass Joint Grease and Pentane
PTFE plumber's tape is much, much cheaper than purpose made sleeves. |
10-4-2021 at 05:51
by: monolithic |
Making a highly effective aspirator recirculation pump
Most aspirators need 6-8 liters/minute flow rate and tap pressure is like 40-60 psi. Can you realist ... |
9-4-2021 at 11:35
by: monolithic |
Low effort DIY chemical productions
Chloroform is pretty hands off. I do it like Doug's Lab shows, directly in the bleach container.
[E ... |
5-4-2021 at 03:47
by: monolithic |
Low resistance electrolytic cell divider
https://www.aliexpress.com/item/1005002201964132.html
Still very expensive, even from China. You' ... |
28-3-2021 at 08:00
by: monolithic |
Decent vacuum pump
[rquote=656815&tid=157028&author=Fyndium]So what you are saying that is by simply changing t ... |
22-3-2021 at 04:02
by: monolithic |
Decent vacuum pump
[rquote=656720&tid=157028&author=Fyndium]Hmm, strange - why does your manual state that your ... |
21-3-2021 at 17:52
by: monolithic |
Decent vacuum pump
[rquote=656715&tid=157028&author=Fyndium]https://www.ebay.com/itm/KNF-Neuberger-Laboport-UN8 ... |
20-3-2021 at 09:06
by: monolithic |
Alibaba
[rquote=656134&tid=157141&author=Fyndium]For example, some stuff cannot be imported at all w ... |
10-3-2021 at 13:35
by: monolithic |
Homemade Overhead Stirrer (with pics)
Nice project. I have a similar setup but the motor (a low rpm 775 variant similar to what you have) ... |
16-2-2021 at 10:26
by: monolithic |
Removing acetone from chloroform
[rquote=655012&tid=157050&author=SuperOxide]Nice. Whats the point of making the water acidic ... |
14-2-2021 at 15:50
by: monolithic |
Removing acetone from chloroform
Purification of Laboratory Chemicals:
[quote]Chloroform [67-66-3] M 119.4, b 61.2o, d15 1.49845, ... |
14-2-2021 at 14:06
by: monolithic |
Inside a melting point apparatus
I bought a Mel Temp 3.0 a while ago for <$50 at auction. They usually go for $200-400 although yo ... |
7-2-2021 at 18:18
by: monolithic |
Sodium Borohydride Group Buy
If anyone is interested, I have two 150 g bottles of NaBH4 I can part with. I'm not sure of the sour ... |
7-2-2021 at 13:25
by: monolithic |
Heating mantle oopsie
[rquote=654423&tid=156872&author=Fyndium]Can one do distillations by putting the probe to me ... |
5-2-2021 at 17:05
by: monolithic |
Safe storage of DCM
I store my DCM indoors, never had any issue with it evaporating or leaking. My storage solution for ... |
4-2-2021 at 05:23
by: monolithic |
Condenser heating up during hydrosdistillation
I had the same issue when trying steam distillation. To add on to what others have been saying, mayb ... |
4-2-2021 at 05:02
by: monolithic |
Why is Chemsavers comfortable with shipping chemicals to residential addresses, but sigma/fisher/TCI/etc are not?
[rquote=653934&tid=156488&author=roXefeller]Chemsavers are great for minor items. They can ... |
29-1-2021 at 05:29
by: monolithic |
Ethylene Glycol from Antifreeze
I made some 1,4-dioxane from Walmart antifreeze not too long ago. Here's a short writeup: https://ww ... |
21-1-2021 at 16:13
by: monolithic |
Broken Stirrer & Motor Replacement
The PC320 uses a shaded pole motor (induction motor) so there are no brushes to spark. Have you dete ... |
24-12-2020 at 12:18
by: monolithic |
Domestic (USA) sodium borohydride or lithium aluminum hydride?
Try www.chemsavers.com but you will probably pay a lot of money for HAZMAT shipping. Otherwise I rec ... |
21-12-2020 at 10:30
by: monolithic |
Cheap chinese diaphragm pumps?
[rquote=651516&tid=156700&author=RustyShackleford]Aspirator builds are hit or miss. The one ... |
18-12-2020 at 15:21
by: monolithic |
Cheap chinese diaphragm pumps?
To add to what Dr. Bob said, I bought a used KNF pump identical to this for $175 shipped a few years ... |
8-12-2020 at 06:48
by: monolithic |
DIY temperature probe for hotplate, help!
[rquote=650709&tid=156587&author=Download]I haven't bothered to read everyone else's posts b ... |
6-12-2020 at 20:03
by: monolithic |
Ordering watched chemicals from Europe
[rquote=650407&tid=156518&author=zed]Now-A-Days, it is easy enough to make your own Sodium.[ ... |
3-12-2020 at 16:26
by: monolithic |
Ordering watched chemicals from Europe
[rquote=650103&tid=156518&author=Fyndium]Where is sodium a regulated substance?[/rquote]
It ... |
29-11-2020 at 04:51
by: monolithic |
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