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Why is sodium carbonate not used as starting point for hypochlorite/chlorate production?
Wait, what? Where does the Cl2 come from? This would assume you had an excess of Cl2 from another pr ...
22-1-2020 at 11:58
by: Fulmen
Concentrating nitric acid using sulfuric acid
I don't think magnesium nitrate has any real benefits compared to sulfuric acid. From what I could f ...
21-1-2020 at 04:43
by: Fulmen
Concentrating nitric acid using sulfuric acid
"trying to concentrate my nitric with just 90% sulfuric, which I doubt would work very well"

It s ...
19-1-2020 at 08:40
by: Fulmen
Concentrating nitric acid using sulfuric acid
IIRC the optimum ratio (62% HNO3 / 98% H2SO4) is 1:1 v/v. Reducing the sulfuric acid too much would ...
16-1-2020 at 11:30
by: Fulmen
Old c4
Both xylene and toluene should work.
25-12-2019 at 09:53
by: Fulmen
Thermite using 'blender grade' Al powder, is it possible ?
The page you're linking to gives a good description of the process, but there's no references to any ...
14-12-2019 at 03:59
by: Fulmen
Plutonium
Just to illustrate the difference between a chemical and fission explosion:

In the Gadget/Fat Ma ...
13-12-2019 at 11:51
by: Fulmen
Plutonium
I don't think you understand just how powerful an atomic device really is. The pit (plutonium core) ...
13-12-2019 at 07:49
by: Fulmen
Thermite using 'blender grade' Al powder, is it possible ?
You cannot harden aluminum by quenching. It can only be work hardened or (depending on the alloy) pr ...
12-12-2019 at 23:32
by: Fulmen
My new 1 pound TNT
That's cheating :D
6-12-2019 at 10:34
by: Fulmen
Plutonium
[rquote=623902&tid=154080&author=SWIM]
At least one fusion device had a U-238 casing which ...
25-11-2019 at 09:36
by: Fulmen
CO is flammable, but CO2 unstable above 800 C ?
Combustion in air would be a different reaction:

2CO2 <=> 2CO + O2
24-10-2019 at 13:29
by: Fulmen
Chemistry of Terephthalic acid
@Boffis: You're right, seems I jumped the gun a bit. I ended up boiling down the solution almost to ...
20-10-2019 at 01:15
by: Fulmen
Chemistry of Terephthalic acid
Good news everybody. This trick worked pretty OK. Starting with 56g of PET I obtained almost 50g of ...
19-10-2019 at 11:15
by: Fulmen
Chemistry of Terephthalic acid
Question: Is there any risk of getting amides from TPA and aqueous ammonia? I'm wondering if boiling ...
16-10-2019 at 11:22
by: Fulmen
Making Pinchbeck Brass
[rquote=623651&tid=81819&author=Sulaiman]quenching can 'lock' a crystal structure[/rquote]
...
27-9-2019 at 23:53
by: Fulmen
Making Pinchbeck Brass
For commercial production you need to know the exact composition. Even if your tolerances are loose ...
26-9-2019 at 22:08
by: Fulmen
Yellow cake extraction doubts
There's uranium in them hills for sure. I'm using a radon meter in a small box, a 45g sample raised ...
18-9-2019 at 09:41
by: Fulmen
presentation about explosives to school
If I had to choose one substance for a demonstration it would be NI3. It's a well established "demon ...
8-9-2019 at 12:22
by: Fulmen
Pressure vessel safety
To answer the initial question: That's not how it's done. Reactions doesn't really "produce temperat ...
7-9-2019 at 02:07
by: Fulmen
Yellow cake extraction doubts
Nice work, deathunter.
My goal isn't yellow cake (although it would be cool to have), for now I ju ...
1-9-2019 at 01:14
by: Fulmen
Yellow cake extraction doubts
Huh, this was easier than I imagined. After a 20km trip with not a single sign I struck pay dirt les ...
30-8-2019 at 10:28
by: Fulmen
Yellow cake extraction doubts
The plan is to quire the shale before completing the geiger. It should be easy to spot against the s ...
29-8-2019 at 00:54
by: Fulmen
Yellow cake extraction doubts
I just started working on a PIN-diode geiger based on this work: opengeiger.de
Then I realized I d ...
28-8-2019 at 10:33
by: Fulmen
Desensitizers
Desensitizer usually works by preventing conditions that can increase sensitivity. For instance lead ...
13-6-2019 at 15:48
by: Fulmen
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