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White phosphorus, yellow phosphorus, or simply tetraphosphorus (P 4) is an allotrope of phosphorus. It is a translucent waxy solid that quickly yellows in light (due to its photochemical conversion into red phosphorus ), [ 2 ] and impure white phosphorus is for this reason called yellow phosphorus.
White phosphorus is a highly efficient smoke-producing agent, reacting with air to produce an immediate blanket of phosphorus pentoxide vapour. Smoke-producing white phosphorus munitions are very common, particularly as smoke grenades for infantry , loaded in defensive grenade launchers on tanks and other armoured vehicles, and in the ...
Pages in category "White phosphorus" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. ...
White phosphorus, yellow phosphorus or simply tetraphosphorus (P 4) exists as molecules of four phosphorus atoms in a tetrahedral structure, joined by six phosphorus—phosphorus single bonds. [1] The free P 4 molecule in the gas phase has a P-P bond length of r g = 2.1994(3) Å as was determined by gas electron diffraction . [ 2 ]
The white phosphorus allotrope presents a significant hazard because it ignites in the air and produces phosphoric acid residue. Chronic white phosphorus poisoning leads to necrosis of the jaw called "phossy jaw". White phosphorus is toxic, causing severe liver damage on ingestion and may cause a condition known as "Smoking Stool Syndrome". [144]
White (in black-and-white): The mix of zinc cadmium sulfide and zinc sulfide silver, the ZnS:Ag + (Zn,Cd)S:Ag is the white P4 phosphor used in black and white television CRTs. Mixes of yellow and blue phosphors are usual. Mixes of red, green and blue, or a single white phosphor, can also be encountered.
Bahasa Indonesia; Italiano; ... White phosphorus (9 P) Pages in category "Phosphorus" The following 24 pages are in this category, out of 24 total.
A later version of the M104, this version is 98.71 pounds (44.8 kg) in total and filled with 15.6 lb (7.1 kg) of white phosphorus. Due to the properties of white phosphorus, the shell also has mild incendiary effects. It is marked as a military smoke munition, being gray with a single yellow, horizontal band. [12]