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How to make a smoke match or smoke paper
The simplest method will probably be the KNO3/sucrose-mix: https://pyrodata.com/PyroGuide/index.php% ... |
7-2-2025 at 03:03
by: Fulmen |
Powdered polystyrene (for copolymerization)
You might get somewhere by crashing it out in water. Dissolve the PS in a solvent that's miscible in ... |
27-12-2024 at 01:25
by: Fulmen |
Monoammonium phosphate (MAP) from fire extiguishers
I tried the same once and had the same problem as you. The powder is too hydrophobic to dissolve in ... |
15-12-2024 at 12:07
by: Fulmen |
"Potassium pernitrate KNO4" at blast-tec.com, formerly pyrohub.com
Ah, I see. It's a "solution" to bypass some regulations. Nice :-) |
14-12-2024 at 10:29
by: Fulmen |
"Potassium pernitrate KNO4" at blast-tec.com, formerly pyrohub.com
What about this one: https://blast-tec.com/vare/potassium-perchlorate-solution-kclo4-h2o/
40% KCl ... |
14-12-2024 at 00:18
by: Fulmen |
Recycling copper, working at scale. Suggestions.
This looks slightly relevant: https://www.sciencedirect.com/science/article/pii/S2666790822001203
... |
9-12-2024 at 13:27
by: Fulmen |
Recycling copper, working at scale. Suggestions.
@Rainwater: Well done, now you just have to repeat it 20'000 times :-)
@teodor: We're talking 20 ... |
7-12-2024 at 02:38
by: Fulmen |
Recycling copper, working at scale. Suggestions.
HCl + nitrates should work as a substitute for nitric acid. |
3-12-2024 at 11:18
by: Fulmen |
Recycling copper, working at scale. Suggestions.
That should work, but I doubt it will be fast. And it will require more work and energy. For a small ... |
3-12-2024 at 06:11
by: Fulmen |
Recycling copper, working at scale. Suggestions.
[rquote=697095&tid=160711&author=Sir_Gawain] the reaction is extremely slow. [/rquote]
It ... |
27-11-2024 at 00:34
by: Fulmen |
Recycling copper, working at scale. Suggestions.
There is another process that uses ammonia, CO2 and air to leech copper. It forms a highly soluble a ... |
26-11-2024 at 11:48
by: Fulmen |
Making Magnesium Turnings
[rquote=696723&tid=160689&author=unionised]You can work aluminium and magnesium with woodwor ... |
15-11-2024 at 00:35
by: Fulmen |
Making Magnesium Turnings
Nah, Mg is too hard for woodworking tools. It's comparable to pure aluminum. You could hand file it ... |
14-11-2024 at 11:35
by: Fulmen |
Glow in the dark beads
No sorry, I have no data on it. IIRC I found it in the ice fishing supplies. |
1-11-2024 at 00:44
by: Fulmen |
Glow in the dark beads
Back in the day I bought phosphorescent powder from fishing supply stores. This can be added to clea ... |
31-10-2024 at 13:18
by: Fulmen |
Expedient and simple production of small quantities of LOX
[rquote=696227&tid=160388&author=Titi]does adding salt to dry ice allows to reduce temperatu ... |
22-10-2024 at 09:41
by: Fulmen |
Boric acid and iodine dissapearing in Europe?
One source for boric acid is/was borax for blacksmith work. I actually got a couple of kilos for fre ... |
21-10-2024 at 01:59
by: Fulmen |
Creating eutectics
[rquote=696050&tid=160620&author=Sir_Gawain]I think he’s referring to a mixture of all thr ... |
14-10-2024 at 02:19
by: Fulmen |
Creating eutectics
The KCl/NaCl eutectic is pretty underwhelming (650/800C). Adding MgCl2 can drop it under 500C, I'm g ... |
13-10-2024 at 12:10
by: Fulmen |
Creating eutectics
Fair point. As you come close to the melting points there is bound to be some interaction. So in the ... |
12-10-2024 at 08:25
by: Fulmen |
Creating eutectics
You need to melt them together. Once one of the components melts the others will start dissolving in ... |
11-10-2024 at 23:21
by: Fulmen |
Oxalic acid
[rquote=695205&tid=160539&author=Keras]
Edit: The Index says it can be done ‘…heating s ... |
7-9-2024 at 23:16
by: Fulmen |
Oxalic acid
It can be prepared from sodium formate: http://www.sciencemadness.org/talk/viewthread.php?tid=107579 |
5-9-2024 at 10:40
by: Fulmen |
tungsten carbide anode for aqueous electrolysis
According to Wikipedia it has a resistivity of 0.2 μΩ·m, so comparable to steel or lead. That's p ... |
27-8-2024 at 22:52
by: Fulmen |
Fire damaged building
It should be possible to make a dry absorber from sodium hydroxide. It will absorb CO2 as well, so a ... |
19-8-2024 at 11:53
by: Fulmen |
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