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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 ...
Bjerrum plot of speciation for a hypothetical monoprotic acid: AH concentration as a function of the difference between pK and pH. Carbonic acid is the formal Brønsted–Lowry conjugate acid of the bicarbonate anion, stable in alkaline solution. The protonation constants have been measured to great precision, but depend on overall ionic ...
Ocean acidification means that the average seawater pH value is dropping over time. [1]Ocean acidification is the ongoing decrease in the pH of the Earth's ocean.Between 1950 and 2020, the average pH of the ocean surface fell from approximately 8.15 to 8.05. [2]
While the biological carbon pump fixes inorganic carbon (CO 2) into particulate organic carbon in the form of sugar (C 6 H 12 O 6), the carbonate pump fixes inorganic bicarbonate and causes a net release of CO 2. [46] In this way, the carbonate pump could be termed the carbonate counter pump.
Jannik Bjerrum (1909–1992), Danish chemist (son of Niels Janniksen Bjerrum) Jannik Petersen Bjerrum (1851–1920), Danish ophthalmologist (father of Niels Janniksen Bjerrum) Kirstine Bjerrum Meyer (1861–1941), Danish physicist (sister of Jannik Petersen Bjerrum)
Marine biogenic calcification is the production of calcium carbonate by organisms in the global ocean.. Marine biogenic calcification is the biologically mediated process by which marine organisms produce and deposit calcium carbonate minerals to form skeletal structures or hard tissues.
A Bjerrum defect is a crystallographic defect which is specific to ice, and which is partly responsible for the electrical properties of ice. [1] It was first proposed by Niels Bjerrum in 1952 in order to explain the electrical polarization of ice in an electric field. [ 2 ]
The Energy Corridor is a business district in Houston, Texas, located on the west side of the metropolitan area between Beltway 8 and the Grand Parkway.The district straddles a 7-mile (11 km) stretch of Interstate 10 (the Katy Freeway) from Kirkwood Road westward to Barker Cypress Road and extends south along Eldridge Parkway to Briar Forest Drive.