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6 Current news about the topic hydroxyl radicals

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Lightning and subvisible discharges produce molecules that clean the atmosphere

04-May-2021

Lightning bolts break apart nitrogen and oxygen molecules in the atmosphere and create reactive chemicals that affect greenhouse gases. Now, a team of atmospheric chemists and lightning scientists have found that lightning bolts and, surprisingly, subvisible discharges that cannot be seen by ...

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Ultrafast birth of free radicals observed in water

X-ray laser provides unrivalled insight into the first chemical reaction during radiolysis

13-Jan-2020

Using extremely short X-ray flashes, an international team of researchers has for the first time ever observed details of the ultrafast chemical reaction leading to the formation of aggressive radicals when water is irradiated. The study provides unprecedented insights into the process, which can ...

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Multiyear Tracking of Atmospheric Radicals

New method derive both short-lived atmospheric hydroxyl and chlorine radical concentrations over several years

13-Sep-2018

Hydroxyl radicals (OH) keep our atmosphere clean. They react away toxic gases such as carbon monoxide (CO), and slow climate warming by removing greenhouse gases like methane (CH4). In some parts of the atmosphere, chlorine radicals (Cl) can also help this purification process, for example in the ...

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A radical solution comes from mixing tools

05-Oct-2017

For natural gas to be efficiently converted into useful industrial products requires the right catalytic process. Researchers from KAUST and the US combine state-of-the-art techniques for material characterization to demonstrate a unique reaction pathway that shows that molten catalysts based on ...

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Soil crusts emit nitrogen oxides and nitrous acid

Study shows that biological soil crusts release large quantities of reactive nitrogen compounds

03-Dec-2015

For a long time now, researchers have been racking their brains over the large quantities of reactive nitrogen compounds observed in arid regions after periods of rainfall without being able to identify the source. A study is now bringing light into the darkness. Bettina Weber and her colleagues ...

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CU-Boulder-led team discovers new atmospheric compound tied to climate change, human health

New chemical pathway for the formation of sulfuric acid a big surprise, say researchers

13-Aug-2012

An international research team led by the University of Colorado Boulder and the University of Helsinki has discovered a surprising new chemical compound in Earth's atmosphere that reacts with sulfur dioxide to form sulfuric acid, which is known to have significant impacts on climate and ...

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