What is ammonium nitrate, the chemical that exploded in Beirut?
The Lebanese capital Beirut was rocked on Tuesday evening local time by an explosion that has killed at least 78 people and injured thousands more.
Other
Aug 5, 2020
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Page 3 - News tagged with nitric acid
A potential explanation for urban smog: Aerosol particle growth higher in cold climates
The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days. Under laboratory conditions, researchers at CERN in Switzerland observed the formation ...
Environment
May 27, 2020
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New, rapid mechanism for atmospheric particle formation
Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions. The research, ...
Earth Sciences
May 13, 2020
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Growing nitrogen footprint threatens our air, water and climate
A new study from Columbia University finds that nitrogen emissions from agricultural production in the tropics is likely to increase and, in some cases, overtake temperate climates, exposing more people to polluted air and ...
Environment
Mar 6, 2020
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Discovery of an unusual protein
Nitrogen is an essential component of life. For example, it is required for the production of proteins. Boran Kartal, head of the Microbial Physiology group at the Max Planck Institute for Marine Microbiology in Bremen, studies ...
Biochemistry
Dec 2, 2019
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Clean air research converts toxic air pollutant into industrial chemical
A toxic pollutant produced by burning fossil fuels can be captured from the exhaust gas stream and converted into useful industrial chemicals using only water and air thanks to a new advanced material developed by an international ...
Materials Science
Nov 22, 2019
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Can citric acid be a green alternative to protecting steel?
Nitric acid is currently the most widely used passivating solution to protect stainless steel from corrosion in industrial applications. But nitric acid is dangerous in multiple environmental, safety, and processes, due to ...
Materials Science
Sep 26, 2019
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Decoding Lake Matoaka's sedimental history of the anthropocene
The region around the Mississippi River town of Galena, Illinois, ran on lead for the better part of a century.
Earth Sciences
Jun 18, 2019
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Exploring greener approaches to nitrogen fixation
About half of the nitrogen in our bodies today comes from bacteria via the enzyme nitrogenase, which converts, or "fixes," unreactive nitrogen gas in the atmosphere into a form that plants can use for growth. The other half ...
Materials Science
Jun 6, 2018
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Finding trace material in waste materials
Last year Empa's inorganic analytics lab was granted the status of "Reference Laboratory" within the scope of the ProSUM project, funded by the EU. Fine-grained samples of shredder waste from scrapped cars, e-waste or mine ...
Other
Apr 26, 2018
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