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Flash powder detonation
[quote]I use 3000 mesh atomized aluminum powder. This one:
http://www.alphachemicals.com/aluminum ... |
26-4-2011 at 22:11
by: Mumbles |
Flash powder detonation
How fine is fine? Less than 5 micron?
I could definitely see sulfur making a difference. I don' ... |
23-4-2011 at 17:32
by: Mumbles |
Best and worst smelling chemicals?
Methanol is usually odorless to me. Occasionally I detect a slight isopropanol odor, but as you men ... |
23-4-2011 at 17:24
by: Mumbles |
Flash powder detonation
There was some experimentation going on with the sulfate based powders several years ago by a few pe ... |
22-4-2011 at 21:54
by: Mumbles |
No crystals forming on cooling; miscalulation?
Your amounts look right, but did you heat it at all? Besides ensuring everything is Iron (II), I wo ... |
21-4-2011 at 21:04
by: Mumbles |
what kind of pump for water aspirator?
A circulating pump, or small pond pump isn't going to cut it. I believe my pump ran in the vicinity ... |
21-4-2011 at 19:18
by: Mumbles |
Cellulose dissolving in the nitrating bath
I tend to agree on the increased amount of nitrate. Off hand, I believe I used 60mL 93% acid, and 3 ... |
21-4-2011 at 19:03
by: Mumbles |
purification of LAH
Whenever we need exceptionally pure LAH in the lab, we extract it with ether a few times, and filter ... |
21-4-2011 at 14:48
by: Mumbles |
Job Market for Chemists ?
Most decent institutions will require research in some way. Even if not required, it's essentially ... |
15-4-2011 at 22:19
by: Mumbles |
Pepper grinder and magnesium?
Mg as a pure metal is pretty soft. I'd be slightly worried Mg wouldn't fracture cleanly and may jus ... |
15-4-2011 at 21:42
by: Mumbles |
Garden sulfur?
Pure sulfur as a by-product of the petroleum refining industry is very cheap. I'm not sure why peo ... |
14-4-2011 at 19:32
by: Mumbles |
unknow titanium compond
I agree that the color points to an oxidation state less than +4. I've been trying to look into var ... |
7-4-2011 at 22:51
by: Mumbles |
permanganate and toluene reaction
To start with, you also have benzoic acid, the product, on the reactants side. The end product for ... |
7-4-2011 at 22:03
by: Mumbles |
Flash powder detonation
I suppose I am a bit spoiled with my access to magnesium, so I always over assume it's ease of acqui ... |
16-12-2010 at 23:51
by: Mumbles |
Flash powder detonation
If you're trying to make colors, why use aluminum? The purest colored flash powders are all made wi ... |
15-12-2010 at 23:13
by: Mumbles |
Spontaneous Ignition
I really doubt that the mechanical grinding would impart enough energy to form aluminum carbide. Yo ... |
9-12-2010 at 22:48
by: Mumbles |
Flash powder detonation
[rquote=191193&tid=14675&author=nitro-genes]Behaviour to pressing I think is a very good poi ... |
7-12-2010 at 22:34
by: Mumbles |
Spontaneous Ignition
The reason I've always been suspicious of the aluminum carbide theory is that every intentional prep ... |
1-12-2010 at 23:01
by: Mumbles |
Spontaneous Ignition
[rquote=192787&tid=14884&author=mnick12]I have heard of incidents similar to this, some caus ... |
1-12-2010 at 13:31
by: Mumbles |
What is this glassware used for?
The pictures are kind of small and hard to tell, but the third/fourth pictures may be some sort of s ... |
15-6-2010 at 11:46
by: Mumbles |
Nitrocellulose
It sounds to me like a temperature issue. If you're making NO2 while simply mixing the nitrate and ... |
11-6-2010 at 11:16
by: Mumbles |
Easy nitric acid
I had someone recommend an old coffee maker hot plate as a heat source for this method. I saw pictu ... |
26-5-2010 at 20:34
by: Mumbles |
Toluene and KNO3
I speak from experience that you can make MNT at least with some DNT impurity from KNO3/sulfuric aci ... |
24-3-2010 at 22:52
by: Mumbles |
Chemistry 104 Help
Heh, that class number looks quite familiar. I hope Madison is treating you well thus far (if I am ... |
16-3-2010 at 23:14
by: Mumbles |
potassium disposal
It was a sodium amalgam, but I do believe I witnessed someone disposing of excess alkali by covering ... |
19-1-2010 at 22:58
by: Mumbles |
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