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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 ]
Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [1][2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW), bioconcentration factors (BCF ...
Basalt fiber. Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF ...
Tris (pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C6F5)3B. It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC3 core is planar. It has been described as the “ideal Lewis acid ” because of its high ...
Alabama takes over as the new No. 1 in the USA TODAY Sports NCAA Re-Rank 1-134 after Saturday night's memorable win against Georgia. The Crimson Tide make a four-spot jump from last week while the ...
Here’s how. A group of women lowered their biological age by an average of 5 years in just 8 weeks. Here’s how. Lifestyle changes to diet, sleep, and exercise —paired with interventions like ...
Website. www.Lifetime.com. Lifetime Products Inc. is a privately owned company founded in 1986. Its main products are blow-molded polyethylene folding chairs and tables, picnic tables, home basketball equipment, [2] sheds, coolers, kayaks and paddleboards, and lawn and garden items, along with OEM steel and plastic items from other companies.
The LD50 (oral, rats) is 756 mg/kg. Animal studies have shown that 1,2,4-trichlorobenzene affects the liver and kidney, and is possibly a teratogen. [4] There is no regulated occupational exposure limit for chemical exposure, but the National Institute for Occupational Safety and Health recommends no greater exposure than 5 ppm, over an 8-hour workday.