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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 ...
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 ]
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 ...
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Naturally occurring samarium ( 62 Sm) is composed of five stable isotopes, 144 Sm, 149 Sm, 150 Sm, 152 Sm and 154 Sm, and two extremely long-lived radioisotopes, 147 Sm (half life: 1.06 × 10 11 y) and 148 Sm (6.3 × 10 15 y), with 152 Sm being the most abundant (26.75% natural abundance ). 146 Sm (9.20 × 10 7 y) [ 4] is also fairly long-lived ...
Look at ingredient labels. For starters, check product labels for the presence of any added PFAS, or fluorinated compounds. "There are PFAS that do show up in ingredients. Perfluoro is an ...
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), used for the ...
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