The two main ingredients are reactive halogen gases such as chlorine or bromine and sunlight. |
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Those deposits, known as salt domes are a major dry-land source of bromine today. |
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The most important use of bromine today is in making flame retardant materials. |
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Currently, the largest volume organic bromine product is methyl bromide, a fumigant. |
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For instance, electronegativities in the halide sequence fluorine, chlorine, bromine, and iodine decrease from fluorine through iodine. |
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In a haloform reaction with iodine, bromine, or chlorine, methyl ketones are converted into the corresponding carboxylic acid and haloform. |
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The elements hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine consist of diatomic molecules. |
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Oxygen, the next most electronegative element, is also a powerful oxidant, as are chlorine and bromine. |
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Mercury is the only liquid metal and the only liquid element except for bromine. |
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These elements include mercury, bromine, cadmium, indium, thallium, lead, and bismuth. |
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Along with carbon, they include elements such as hydrogen, oxygen, fluorine, chlorine, bromine, sulphur or nitrogen. |
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Dry chlorine, iodine, bromine and fluorine cause little or no corrosion of magnesium at room or slightly elevated temperature. |
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We get bromine from pesticides, dough conditioners, and from disinfectants for water in hot tubs and commercial spas. |
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The proportion of bromine to other chemically similar elements, like chlorine, varied by a factor of 10 from place to place. |
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So, in the Lounge, we are reminded that computers, TVs, and radios contain such deadly things as cadmium, arsenic, bromine, and lead mercury. |
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The ozone depleting compounds contain combinations of the elements chlorine, fluorine, bromine, carbon and hydrogen. |
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Elemental bromine is made by oxidation, removal of electrons from bromide ions in brine. |
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The unsaturated benzene ring readily reacts with halogens, rapidly discoloring bromine water. |
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The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine. |
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Geochemical profiles, including the distribution of bromine, are to be studied from evaporite drill cuttings from the Dorchester area. |
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The electron affinity of bromine is high and is similar to that of chlorine. |
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A similar reaction occurs with bromine but not with iodine or fluorine. |
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And more the so, if it is equipped with the most sophisticated, automatic bromine releaser. |
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Using a copper sulphate based pool algicide can reduce the amount of chlorine or bromine based sanitizer needed in your pool. |
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A current of air removes the bromine as a very dilute mixture of bromine with air. |
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Bring to the boil to dispel the excess bromine, transfer to a 1 000 ml volumetric flask and make up to quantity with distilled water. |
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Chlorine dioxide itself combined with bromine does not form hypobromous acid or bromate, while chlorine and ozone do. |
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Element 117 is a member of the halogen series, which is the group composed of fluorine, chlorine, bromine, iodine, and astatine. |
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However, erbium is more abundant than bromine, iodine, mercury, and cadmium. |
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The distribution of bromine in marine evaporites enables interpretation of paleosalinities in evaporite basins. |
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In existing potash deposits, the concentration of bromine in halite has been used as an indicator of the potential for potash deposition. |
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A compound of silver and one of the elements known as halogens: chlorine, bromine, iodine and fluorine. |
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Halogens such as chlorine and bromine react directly with uracil, adenine, and guanine, giving substituted bases that are often mutagenic. |
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The commercially available, technical grade, diphenyl ethers are mixtures and contain molecules with different numbers of bromine atoms. |
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At present the researchers need to use bromine, a particularly toxic material, on one of the electrodes to boost performance. |
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Several firms are trying zinc and bromine in electrolytes and others iron and chromium. |
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Regarding bromine recovery, Riedel-de Haën may well be in competition with other businesses that operate this kind of plant. |
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This effect is particularly noticeable in sea water due to the supporting effects of bromine. |
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When bromide containing water is treated with chlorine or ozone, bromide is oxidized into bromine and hypobromous acid. |
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Using bromine as a disinfectant is becoming a popular alternative to chlorine. |
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We completed the sale of our paints business, as well as our bromine and derivatives activities. |
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Other bromine compounds are used in photography or serve as fuel additives. |
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Carbon-fluorine compounds that often contain other elements such as hydrogen, chlorine, or bromine. |
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Avoid dropping the bromine, iodine and chlorine solutions onto fabrics and skin. |
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In reality the investment was in a residue processing plant that comprised a bromine recovery plant. |
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One of the most common uses of bromine is for the manufacture of bromine compounds used in gasoline. |
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Other nations have signed since then, and recent studies indicate that the levels of bromine, another ozone-destroying chemical, are actually dropping. |
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The elements that appear enriched from measurements that Spirit took with her alpha particle x-ray spectrometer are potassium, phosphorous, sulfur, chlorine, bromine. |
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Allenes are prepared by the removal of bromine and hydrogen bromide from 1,2, 3 tribromopropane and its derivatives under the action of potassium hydroxide, zinc, and ethanol. |
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While chlorine and bromine chemicals cause the ozone hole, extremely cold temperatures, especially near the edge of Antarctica, are also key factors in ozone loss. |
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Recent experiments have begun identifying oxidizing gases, such as ozone and molecules containing the halogens bromine and chlorine, as triggers for that mercury fallout. |
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Chlorinity can be briefly defined as the number of grams of chlorine, bromine, and iodine contained in one kilogram of seawater, assuming that the bromine and iodine are replaced by chlorine. |
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Reacts violently with carbon tetrachloride or benzene hexachloride above 65°C, or in the presence of iron, and with such oxidizing agents as chromic anhydride, magnesium nitrate, potassium permanganate, bromine, nitric acid. |
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Reacts dangerously with potassium and strong oxidizers such as chlorine, bromine, iron, nitric acid, ozone, perchlorate, permanganate in the presence of sulphuric acid, chromium trioxide and peroxide. |
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Although ODS are chemically stable in everyday use, once they reach the stratosphere they are broken apart to release chlorine and bromine atoms, the active ingredients that destroy ozone. |
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Frost flowers and bromine explosions sound almost extraterrestrial but they occur regularly in Canada's Arctic. |
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Albemarle is a global leader in the development, manufacture and marketing of bromine, bromine derivatives and other specialty chemicals. |
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A reliable and durable system is required, which meets all the specifications in terms of chemical resistance to the direct contact of bromine and chlorine. |
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Nearby is the Wylfa Nuclear Power Station and a former bromine extraction plant. |
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For example, cocoa when burned in a cigarette produces bromine gas that dilates the airways of the lung and increases the body's ability to absorb nicotine. |
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The next most important bromine compound is methyl bromide, which is used as a fumigant, sometimes as a fire extinguisher, and for further syntheses. |
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Furthermore, many examples are known for higher numbers of carbon as well as related compounds containing bromine. |
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They typically contain chlorine or bromine. |
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A typical case, the reaction of gallium tribromide with trimethylamine, is represented in the following equation: The central gallium atom is coordinated or bonded to three bromine atoms and one nitrogen atom. |
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Patients are so toxic with bromine, fluoride, and chlorine that they need high dosages of iodine these days. |
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Nitrogen oxides in the air are also potent greenhouse gases, adding to global warming, and even reach the stratosphere, where they join chlorine and bromine compounds in eating up the protective ozone layer. |
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Iron reacts with fluorine, chlorine, and bromine to give the corresponding ferric halides, ferric chloride being the most common. |
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The Montreal Protocol of in 1987 aimed to protect the ozone layer by reducing production of substances responsible for depleting it, such as chlorine and bromine, found in chlorofluorocarbons and halons. |
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The formation of compound 3 proceeds through dehydrogenation and addition of bromine to the exocyclic double bond. |
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Sanitation can also be achieved using chlorine or bromine generators, which use electricity to produce hypochlorous or hypobromous acid from salt. |
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Previously, scientists knew that animals had bromine in their bodies, but researchers could find no biological use for it. |
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Gases that are most damaging to stratospheric ozone contain the chemicals chlorine and bromine, called halogens, and various source gases transport both into the stratosphere. |
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However, there are currently limited number of brines in the world with concentrations of bromine higher enough to make the process commercially viable. |
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Browse through the TOC ofNorth America bromine market for an in-depth analysis of the industry trends and segments, with help of various tables and figures. |
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Bromosuccinimide is a convenient source of cationic bromine. |
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A similar quantity, bromine number, is used in gasoline analysis. |
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Every technetium atom makes six bonds, and the remaining valence electrons can be saturated by one axial and two bridging ligand halogen atoms such as chlorine or bromine. |
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The halons are unreactive in the lower atmosphere, giving them time to float up to the stratosphere, where they release their ozone-destroying bromine. |
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The team engineered the molecules to be either reactive or inert at the tip of each arm, and then temporarily capped the reactive tips with bromine atoms. |
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This happens despite the cluster being thirteen times larger than a single bromine atom and despite aluminum being nothing like the lacrimatory poison-gas staple. |
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Bromine even reacts with relatively inert elements such as platinum and palladium. |
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Bromine belongs to halogen group and is the only liquid nonmetallic element. |
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Bromine is a highly volatile liquid and has an irritating smell. |
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Bromine can also achieve high gold dissolution rates in the presence of a protonic cation. |
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