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Great Lakes Chemical Company was founded in Michigan in 1936 to extract bromine from underground salt water brine deposits. It was acquired by McClanahan Oil in 1948 and rechristened Great Lakes Oil and Chemical Company, but by 1960 the company had moved away from oil and gas, instead focusing on the research and production of bromine-based chemicals.
Chemtura, a Philadelphia-based corporation, operates four plants through its subsidiary, Great Lakes Solutions. Three plants are in the vicinity of El Dorado, and all in Union County, Arkansas. In 2007, Chemtura had the capacity to produce 130,000 tonnes of bromine per year. Since 1969, all US bromine has been produced from subsurface brine.
Anthropogenic and natural sources of bromine. The major sources include sea spray, salt lakes, marshes, volcanos, anthropogenic sources. Sinks include exchange of brominated compounds with the stratospheric and troposphere.Bromine's chemistry is linked to other halogens such as chlorine and iodine amplify atmospheric cycling that contributes to troposphere and stratosphere ozone layer ...
The U.S. Food and Drug Administration is banning the use of a food additive known as brominated vegetable oil after the agency concluded that it is no longer safe to consume.
Tribromine octoxide is a binary inorganic compound of bromine and oxygen with the chemical formula Br 3 O 8. [ 1 ] [ 2 ] This is a free radical and one of the most complex bromine oxides . Synthesis
It’s not just oceans that are in trouble from climate change. Oxygen levels in temperate freshwater lakes are plummeting worldwide, a new study suggests. The climate-change-driven trend ...
(Great Oxidation Event) Stage 3 (1.85–0.85 Ga): O 2 starts to gas out of the oceans, but is absorbed by land surfaces. No significant change in oxygen level. Stages 4 and 5 (0.85 Ga – present): Other O 2 reservoirs filled; gas accumulates in atmosphere. [1] Stage 4 is known as the neoproterozoic oxygenation event.
The international pictogram for oxidizing chemicals. Dangerous goods label for oxidizing agents. An oxidizing agent (also known as an oxidant, oxidizer, electron recipient, or electron acceptor) is a substance in a redox chemical reaction that gains or "accepts"/"receives" an electron from a reducing agent (called the reductant, reducer, or electron donor).