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Aspirator/Water Jet Query?
One thing nobody mentions about pumps is the noise. I have to wear earplugs whenever I use my recirc ... |
7-8-2025 at 00:53
by: jackchem2001 |
Distilling H2SO4 from NaHSO4
[rquote=696010&tid=160618&author=Keras]I’m surprised. A single blowtorch suffices to get p ... |
2-8-2025 at 16:01
by: jackchem2001 |
Unknown Nitric Acid-based Acid (Help)
You have two places you could put the thermometer:
- Directly submersed in the liquid
- In the d ... |
24-7-2025 at 16:04
by: jackchem2001 |
Why do most hobby chemists rely on YouTube ?
Every website has a line. Even Bitchute seems to have removed Explosions&Fire's Youtube videos. ... |
24-7-2025 at 04:55
by: jackchem2001 |
Unknown Nitric Acid-based Acid (Help)
Can you try distill water with the exact same setup and see the temperature?
Thermometers may be ac ... |
22-7-2025 at 23:59
by: jackchem2001 |
Glassware cleaning routine
I think _ManyInterests_ means the fumes from the nitration were worse when using purified acid. H2SO ... |
21-7-2025 at 05:13
by: jackchem2001 |
Calcium Sulphate Destroys Glassware
Does this calcium embrittlement effect only happen with very particular conditions? I had a 100mL RB ... |
21-7-2025 at 05:09
by: jackchem2001 |
Dangers with distilling HNO3 from NaHSO4 and nitrates
Maybe relevant: https://www.sciencemadness.org/whisper/viewthread.php?tid=157968
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12-7-2025 at 16:43
by: jackchem2001 |
Question: How Would You Go About The Reaction Between 4-Phenyl-1-Butene And Calcium Oxide
If you're willing to sacrifice some glassware, I would use a combination of electric heating and a b ... |
10-7-2025 at 15:53
by: jackchem2001 |
Need help at distilling Toluene
Starting from the stuff straight from the can, I would do something like
1) Wash a couple of times ... |
6-7-2025 at 06:32
by: jackchem2001 |
Need help at distilling Toluene
To make things a bit more clear, I would consider treating the mixture with alkali overnight. Then y ... |
5-7-2025 at 01:47
by: jackchem2001 |
How much sand / oil is generally needed for a heating bath?
In regard to distilling to dryness: imagine you are distilling water at atmospheric pressure. The te ... |
4-7-2025 at 00:12
by: jackchem2001 |
Phthalimide -> Anthranillic acid Reaction Not Working
I have never tried making anthranilic acid. However, I had success stopping at the anhydride. The ma ... |
3-7-2025 at 00:26
by: jackchem2001 |
How much sand / oil is generally needed for a heating bath?
If you are doing low temperature stuff (<200 degrees) I would recommend an air bath: https://www. ... |
2-7-2025 at 19:18
by: jackchem2001 |
How good an ethylating agent is ethyl chloride?
Ethyl chloride with catalytic iodide seems like it would have a good chance of success. Here is a lo ... |
26-6-2025 at 03:47
by: jackchem2001 |
Turning DCM ---> Paint Stripper
When you are stripping paint, remember that DCM's odor threshold is quite high. If you are smelling ... |
19-6-2025 at 03:20
by: jackchem2001 |
A Glass Icy Ball
If I understand your post correctly, you might crack the glass doing that. Why such a low temperatur ... |
13-6-2025 at 22:13
by: jackchem2001 |
DIY Heating Blocks For Flasks?
[rquote=700968&tid=161051&author=Belowzero]
I've done mostly the same thing and for relativ ... |
29-5-2025 at 01:49
by: jackchem2001 |
Nitration mix from bisulfate and nitrate?
Sulfuric + nitrate salt works for alcohols, not sure about aromatics. Bisulfate + nitrate salt seems ... |
15-5-2025 at 04:13
by: jackchem2001 |
How to recrystallize high solubility substances?
I have read online that using the minimum amount of hot solvent, then adding a selected anti-solvent ... |
11-5-2025 at 02:39
by: jackchem2001 |
Greasing joints
Here is my earlier post on silicone grease: https://www.sciencemadness.org/whisper/viewthread.php?ti ... |
11-5-2025 at 02:21
by: jackchem2001 |
DIY Heating Blocks For Flasks?
In my opinion, oil, water, molten metal, or sand baths (or other solutions like metal heating blocks ... |
3-5-2025 at 19:27
by: jackchem2001 |
getting rid of hydrogen gas
[rquote=686154&tid=159752&author=gransolo12]would diluting the area where h2 gas is with arg ... |
3-5-2025 at 18:26
by: jackchem2001 |
getting rid of hydrogen gas
If you choose to flare a gas as you are producing it (by say, directing the flow along a glass tube ... |
3-5-2025 at 18:24
by: jackchem2001 |
Leaking Unions
Yes, I think the unfortunate molding/flow effect I observed is due to temperature. In the experiment ... |
19-4-2025 at 19:29
by: jackchem2001 |
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