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Removing dissolved organics from ammonia solution
Just use the same amount of water and you should end up with roughly the same concentration.
31-3-2021 at 07:43
by: Fulmen
very brittle coating on TLC
I naturally assumed plaster as I see little point in adding (hydrated) gypsum. But good call, not al ...
30-3-2021 at 11:54
by: Fulmen
very brittle coating on TLC
A coffee mill should do the trick, kitty litter is pretty friable in my limited experience.

As f ...
30-3-2021 at 10:26
by: Fulmen
Demonstrations about the science of plastics
Don't forget the first polymer: Cellulose. Making Rayon isn't too hard to pull off...
28-3-2021 at 12:52
by: Fulmen
very brittle coating on TLC
Wack is right, it's the wrong type. You need activated alumina, the abrasive quality is just hard sa ...
27-3-2021 at 13:50
by: Fulmen
3D printing useful parts - anyone doing this? I'd like to print GL45 bottle caps if possible
I'm ressurecting this thread if nobody minds.
Needed a small (45mm) funnel, figured the printer was ...
26-3-2021 at 11:39
by: Fulmen
Nitric oxide/antiviral nose spray for COVID-19
Wow. Nitrogen oxide is pretty harmful stuff, 25ppm/8h.
22-3-2021 at 12:09
by: Fulmen
Delrin as paraformaldehyde source?
[rquote=655501&tid=8337&author=Fyndium]It sort of works[/rquote]
I would argue that it kind ...
27-2-2021 at 15:00
by: Fulmen
Attempt to make molten lead from oxalate
Fair enough, I was thinking aqueous conditions.

As for a practical demonstration a test tube wou ...
22-2-2021 at 12:43
by: Fulmen
Is there a way to make soda lime glass conduct heat?
[rquote=655365&tid=157074&author=John paul III]depending on who you ask glass can also be co ...
22-2-2021 at 12:12
by: Fulmen
Is there a way to make soda lime glass conduct heat?
I think you're barking up the wrong tree here mate. Glass isn't ceramic, it has a fairly low melting ...
22-2-2021 at 10:12
by: Fulmen
Attempt to make molten lead from oxalate
Boffis: NaOH won't work, that will only produce sodium plumbate. A CO2 atmosphere should work.
22-2-2021 at 10:07
by: Fulmen
He vs H
There are physical processes where atomic weight play in. Diffusion is one classic example, this is ...
9-2-2021 at 00:59
by: Fulmen
home made rocket fuel.
Pyro_cat: NO! Could you please stop talking and start listening?
8-2-2021 at 01:04
by: Fulmen
Does wood pyrolysis generate heat ??
The reason why wet wood burns (and heats) poorly is simple, all that water needs to be boiled away. ...
7-2-2021 at 10:40
by: Fulmen
home made rocket fuel.
CHLORATES HAS NO PLACE IN AMATEUR ROCKETRY. PERIOD.

This cannot be stressed enough. Chlorate comp ...
4-2-2021 at 12:37
by: Fulmen
Condenser heating up during hydrosdistillation
Simply put: You have put more energy in than the condenser could remove. So either increase water fl ...
3-2-2021 at 00:54
by: Fulmen
Does nuclear fusion really solve problems ?
I have heard that story many times, but I have always taken it as a joke...

There are many known ...
2-2-2021 at 12:28
by: Fulmen
Why did TNT become so universal?
Dude, that's some sweet specs. What about toxicity? Even though it's quite manageable with simple pr ...
1-2-2021 at 13:18
by: Fulmen
Future of carbon-free aviation ?
[rquote=654064&tid=156970&author=metalresearcher]Aviation is one of the biggest CO2 producer ...
31-1-2021 at 10:03
by: Fulmen
Maybe redundant topic, but is fire plasma ?
[rquote=653618&tid=156944&author=unionised]it's ionised, so it's a plasma[/rquote]

There ...
28-1-2021 at 08:05
by: Fulmen
Why do Mg salts not color the flame ?
Some elements work in virtually any conditions, others need very specific conditions. The boiling po ...
25-1-2021 at 03:16
by: Fulmen
Does nuclear fusion really solve problems ?
The marine reactors are designed for very specific conditions, few of which apply to civil power pro ...
6-1-2021 at 12:45
by: Fulmen
Cleaning / Recycling HNO3 Solution
Again: Why vacuum? I assume the acid is below the azeotrope at this point. If so:
The azeotrope bo ...
1-1-2021 at 12:45
by: Fulmen
Cleaning / Recycling HNO3 Solution
I don't see what's wrong with the azeotrope at atmospheric. It shouldn't decompose at that concentra ...
31-12-2020 at 12:01
by: Fulmen
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