Talk:Ammonium perchlorate

message: I suppose when you say "used in mines" you mean the type of mine that's a hole in the ground used to get raw material, not the kind of mine that you bury/drop in water and blows up when something triggers it? Maybe you should make this more clear. "Explosive used in mines" could mean either.
Nvinen 07:03, 6 Feb 2005 (UTC)
thread_title: Used in mines

message: I do not know if I am out of place mentioning this here, but can we write something on AP being in Las Vegas, Nv municiple water? It is found in Lake Mead as well as 1 in 5 samples of lettuce grown in California. I thought since the PEPCON incident is mentioned, this might as well? George Knapp special report- -68.108.151.2 07:59, 16 April 2006 (UTC)
thread_title: In Water

message: The decomposition temperatures are clearly wrong.  Does anyone have a reference for these? Evand 15:23, 4 May 2006 (UTC)
replies: text: Hi Evand. Decomposition temperatures are taken from DSC analyses from chemical literature. They sound to be correct since you can find similar values from different authors. I can quote the following paper: "Effects of Nanometer Ni, Cu, Al and NiCu powders on Thermal Decomposition of Ammonium Perchlorate" by Leili Liu et Al. published on Propellants, Explosives and Pyrotechnics 29(2004) No. 1 pp.34-38. The sole objection that I do to the data is that AP during DSC analysis is heated with a temperature gradient of 1-50 deg K/min while inside a propellant the temperature rise is extremely higher (1000-2000 deg K/s). The kinetics is totally different. Moreover, some papers (Boggs et al. AIAA journal in the sixties, I could be more precise if you want) reveal that there is a thin molten layer during combusion at more than 20 bar. Is likely that, at those pressures, the decomposition is anticipated by a melting process that is not present during decomposition at ambient pressure. Mr pipps 10:29, 8 May 2006 (UTC)

text: I made a mistake in writing the page in the Second-Step Decomposition temperature. I exchanged kelvin and celsius. Now is fixed. Sorry. --Mr pipps 09:38, 9 May 2006 (UTC)
thread_title:  Decomposition 

message: In the table on the right it's listed as ClH4NO4, which is clearly wrong, and disagrees with the first paragraph.  —Preceding unsigned comment added by 69.181.75.248 (talk) 21:13, 12 April 2008 (UTC)
thread_title: Molecular Formula

message: this packaging claims it is »extremely unstable«, but pepcons datasheet claims it is stable. which is it? --Ysangkok (talk) 11:31, 5 May 2015 (UTC)
thread_title:  Stability 

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thread_title:  External links modified