Search results
Results from the WOW.Com Content Network
1,2-Dibromotetrafluoroethane (C 2 Br 2 F 4) is a haloalkane. It is also known under codenames R-114B2 and Halon 2402. It is a colorless liquid with a boiling point of 47.2 °C. R-114B2 is occasionally used in fire suppression systems. It is highly volatile, passes through soil to air, and can be detected in the parts-per-quadrillion range.
It is a colorless non-flammable liquid. Along with Halons 1211, 2402, and 1301, it is one of the most effective fire extinguishers, however, it is also very toxic.
Halon 2402 is a liquid agent ... Specifically, they require two to three times the concentration to extinguish a fire compared with Halon 1211. [32]
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
Halon may refer to: Haloalkane, or halogenoalkane, ... Halon 2402 (dibromotetrafluoroethane, C 2 Br 2 F 4)—used as a fire extinguisher; Halon 2501 ...
There was a faster phase-out of halon-1211, -2402, -1301, There was a slower phase-out (to zero by 2010) of other substances (halon 1211, 1301, ... [32] The amendment ...
Russian submarine Nerpa (K-152) Russian submarine. Nerpa. (K-152) Nerpa (renamed INS Chakra in Indian Navy service) is a 8,140-tonne (8,010-long-ton) Project 971 (or Project 518; [1] NATO: Akula -class) nuclear-powered attack submarine. The construction of the submarine was started in Russia in 1993, but was suspended due to lack of funding.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!