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The 2000 Archive
Practical uses for ammonia? (Page 2)
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The Explosives and Weapons Forum
The 2000 Archive
Practical uses for ammonia? (Page 2)
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| This topic is 2 pages long: 1 2 This topic was originally posted in this forum: Explosives |
| Author | Topic: Practical uses for ammonia? |
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uberchlor unregistered |
posted April 03, 2000 09:22 AM
Burning ammonia? are you trying to produce HNO3? As a catalyst Copper works (try copper screen) Platinum works better and will last a bit longer. Can't get in air in the hole? Trying blowing in air with a fan, or the like. Note: Nitrogen dioxide is alot more toxic than ammonia!! |
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nbk2000 Moderator |
posted April 03, 2000 01:38 PM
 
An electric air pump used to aerate fish tanks would work fine. You can usually find them cheap at a thrift store. Or use an aspirator pump to suck air into the system instead of blowing the air in. ------------------ |
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Nitro unregistered |
posted April 03, 2000 01:42 PM
Yep i ve trie to make HNO3 with ammonia. chemicals easyr to get and i have some suplierer problems here.Law and thos shit. |
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megalomania Administrator |
posted April 04, 2000 11:08 PM
Nitro, your problem is simple enough to solve. You should connect a 2 way connecter to your ammonia generator. Since you need oxy to burn your ammonia anyway, it makes sense to mix them beforehand. You will have ammonia in one hose, air in a second hose, then connect them into a single tube. T and Y connecters are available at hardware stores. Now, you still have an open breech for your tube. This can be corrected by sealing everything in. What I mean is, the combined gasses go straight into the tube (a big copper tube) and come out the other end into water. Since the reaction is supposed to generate enough heat to keep the copper red hot, all you need is to have some heated copper to stick in, or heat the tube from the outside. The copper inside the tube can catalyize the reaction and it is still sealed up. All you would lose in this way is the little bit of ammonia and air that must be sacrificed while you are heating the copper to stick inside the tube. It may even be possible to heat the copper tube already sealed up, mayhaps without and other copper in the inside... interesting. ------------------ |
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Nitro unregistered |
posted April 05, 2000 10:33 AM
Can ammonia gas explode?I ve read somewhere 68%oxigen and 32% ammonia or so will explode when you heatet it. |
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uberchlor unregistered |
posted April 05, 2000 04:59 PM
ammonia-air (or oxygen) mixtures are said to be flammable or explosive, liquid ammonia is flammable and has been used as the combustible in liquid rocket fuels. But the mixtures won't be as flammable as like propane, methane, acetylene. The are no hazards of such a explosion occuring in the Ostwald Process of producing nitrogen oxides for HNO3. When the ammonia burns with the combining oxygen (from air) in the process, it burns, and does not explode. And if you want to produce the HNO3 from the Ostwald process you only need 10% ammonia or so rest mixed with air anyway!! According to the Merck index; Mixtures of ammonia and air will explode when ignited under favorable conditions, but ammonia is generally regarded as nonflammable. I've tried igniting ammonia vapors with eg, fire or flame and nothing happened. Basically i think of ammonia very difficult to ignite or explode with air/oxygen (pure oxygen would improve flammability), so i don't consider it as a real hazard unless you are handeling liquid ammonia (flammable), you can attempt to make small amounts of liquid ammonia by condensing dry ammonia vapors with dry ice (dry ice in ether is aprrox. -100oC) to make a small amount of liquid ammonia and test its flammability in the pure state to get to know ammonia a little better. On every chemical grade bottle of concentrated ammonia solution i see no mentioned hazards except that it is corrosive, and let me tell you that it HURTS when a conc. ammonia soln get on your skin!! |
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