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Example Bjerrum plot: Change in carbonate system of seawater from ocean acidification.. A Bjerrum plot (named after Niels Bjerrum), sometimes also known as a Sillén diagram (after Lars Gunnar Sillén), or a Hägg diagram (after Gunnar Hägg) [1] is a graph of the concentrations of the different species of a polyprotic acid in a solution, as a function of pH, [2] when the solution is at ...
Pemex Deer Park is an oil refinery located in Deer Park, Texas on the Houston Ship Channel in the Greater Houston area. It is owned and operated by Pemex.. As of December 2017, the plant is the fourth-largest taxpayer [1] and the tenth largest employer [2] in Harris County.
Jannik Bjerrum (son of Niels Bjerrum) developed the first general method for the determination of stability constants of metal-ammine complexes in 1941. [1] The reasons why this occurred at such a late date, nearly 50 years after Alfred Werner had proposed the correct structures for coordination complexes, have been summarised by Beck and Nagypál. [2]
The Bjerrum length (after Danish chemist Niels Bjerrum 1879–1958 [1]) is the separation at which the electrostatic interaction between two elementary charges is comparable in magnitude to the thermal energy scale, , where is the Boltzmann constant and is the absolute temperature in kelvins.
CO2SYS is a family of software programs that calculate chemical equilibria for aquatic inorganic carbon species and parameters. Their core function is to use any two of the four central inorganic carbon system parameters (pH, alkalinity, dissolved inorganic carbon, and partial pressure of carbon dioxide) to calculate various chemical properties of the system.
Esterline Technologies Corporation was a publicly traded company that designs, manufactures, and markets specialty products primarily for aerospace and defense customers. [2] [3] The company is best known as a supplier of products and equipment for aerospace companies such as Boeing and Airbus; [4] [5] and for American and allied military forces.
ION's Concept Systems offerings include command & control systems that integrate and quality control data acquisition in towed streamer, OBC, electromagnetic (EM), and land surveys and services for designing and planning complex surveys, including wide-azimuth and 4d acquisition programs.
The calcite limestone produced at Michigan Limestone is the white calcium carbonate chemical. It is low in iron, alumina, sulphur, carbonate phosphorus, silica, magnesium and titanium. Steel mills added limestone to molten iron in the blast furnaces. It is used to carry away impurities in the process of making steel. [50]