Questions tagged [pyrotechnics]

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11
votes
2answers
2k views

What purpose does mercury dichloride have in fireworks?

My local newspaper ran an article covering the local rules about fireworks. One of those rules specifically calls out "snakes and fountains containing mercury bichloride" as forbidden. Neither ...
9
votes
2answers
575 views

Testing thermite for chemical properties

I'm writing a movie in which a bunch of military explosive ordnance experts destroy a turbine with thermite and the local fire chief has to work out whether it is plain $\ce{Fe2O3}$ and aluminium ...
2
votes
2answers
72 views

Is it possible to burn things in a halogen atmosphere?

Fires can burn in oxygen. But, can they burn in halogen atmospheres (fluorine and chlorine only)? I am wondering this because combustion reactions involve oxygen and carbon and other elements. But, ...
12
votes
3answers
219 views

Why do most explosives have symmetrical chemical structures?

I was just turning the pages of my chemistry dictionary, when I found the structure of TNT (Trinitrotoluene): ...there after I got interested in its symmetry as an explosive, and started looking for ...
1
vote
0answers
33 views

How to safely change the color of a fire tornado?

So I've been watching a lot of fire tornado videos and I came across one that had a reasonable and safe setup (around the 3:23 mark): Fire Tornado DIY Is there a way to change the color of the fire ...
0
votes
2answers
82 views

Pyrotechnic “star” without oxidizer

In the design of a celebratory pyrotechnic (firework), there exists a gunpowder explosive charge at the center of the firework and pyrotechnic "stars" lining the circumference of the explosive. The "...
2
votes
0answers
336 views

Aluminum powder reaction with air

I have made aluminum powder in a ball mill a few times, but my last batch began to smoke and caught fire soon after I poured it from the tumbler. Nothing unusual was afoot. It was poured into a paper ...
-3
votes
1answer
116 views

What would happen to feces when set on fire?

What would happen, if, under safe conditions, I took my feces, doused it with lighter fluid, and set it on fire? What the neck would burn? And what would be left? What if I threw in some wood twigs?
2
votes
1answer
278 views

Why does microwaving napalm make it nonflammable?

In this video, microwaving napalm made it nonflammable. What caused this to happen? I assume it was some sort of chemical reaction. Could someone explain? I understand some chemistry, but a not-too-...
-9
votes
1answer
308 views

How do you make napalm? [closed]

Not a recipe from movies, but actual napalm. I need it for a college experiment. I need the good kind preferably, but any recipe will suffice.
8
votes
5answers
8k views

Best ways to start a thermite reaction?

I'm trying to do a thermite reaction with rust and aluminum and am trying to figure out the optimal way to get the reaction started. My understanding is that I need a temperature of around 3200F to ...
14
votes
1answer
73k views

Can you make napalm out of gasoline and orange juice concentrate?

According to the novel Fight Club by Chuck Palahniuk: The three ways to make napalm: One, you can mix equal parts of gasoline and frozen orange juice concentrate. Two, you can mix equal parts ...