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BOD test bottles at the laboratory of a wastewater treatment plant. Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period.
BOD Bottle BOD test bottles at the laboratory of a wastewater treatment plant. BOD Bottle or an incubation bottle is a main apparatus used for the Biological Oxygen Demand (BOD) test. During the five-day BOD or BOD5 test process, the BOD bottle is used for incubating diluted samples under the 20 °C or 68 °F of temperature.
Founded in 1980 and based in Rome, Italy, COSMED started manufacturing portable spirometers and pulmonary function testing equipment. In the nineties, the company introduced new systems for gas exchange measurements and patented the first portable system with telemetric data transmission for the measurement of metabolic parameters during field-testing.
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In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured solution.It is commonly expressed in mass of oxygen consumed over volume of solution, which in SI units is milligrams per liter (mg/L).
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Crooked Media is an American progressive [3] [4] political media company. It was founded in 2017 by Jon Favreau, Jon Lovett, and Tommy Vietor, all former top Barack Obama staffers and co-hosts of the Keepin' It 1600 podcast.
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