scholarly journals Formation of Aerosol Nanoparticles by Gas-Phase Hydrolysis Reaction of Uranium Hexafluoride

2021 ◽  
Author(s):  
Glenn Fugate ◽  
Jason Richards ◽  
Joshua Hubbard ◽  
Mengdawn Cheng
Keyword(s):  
Gas Phase ◽  
Uranium Hexafluoride ◽  
Hydrolysis Reaction ◽  
Aerosol Nanoparticles

scholarly journals Kinetic investigation of the hydrolysis of uranium hexafluoride gas

RSC Advances ◽  
2020 ◽  
Vol 10 (57) ◽  
pp. 34729-34731
Author(s):  
Jason M. Richards ◽  
Leigh R. Martin ◽  
Glenn A. Fugate ◽  
Meng-Dawn Cheng
Keyword(s):  
Reaction Kinetics ◽  
Direct Observation ◽  
Uranium Hexafluoride ◽  
Low Pressure ◽  
Hydrolysis Reaction ◽  
Kinetic Investigation ◽  
Kinetics Of ◽  
Hydrolysis Of

Direct observation of the hydrolysis reaction kinetics of gaseous UF6 have been measured under low-pressure conditions.

Ion-molecule reactions in uranium hexafluoride

1975 ◽  
Vol 28 (9) ◽  
pp. 1879 ◽  
Author(s):  
NA McAskill
Keyword(s):  
Kinetic Energy ◽  
Gas Phase ◽  
Mass Spectrometer ◽  
Uranium Hexafluoride ◽  
Ion Source ◽  
Rate Coefficients ◽  
Medium Pressure ◽  
Ion Molecule Reactions ◽  
Ion Kinetic Energy

The ion-molecule reactions of UF6 in the gas phase were studied in a mass spectrometer fitted with a medium-pressure ion source. The main reactions were the collision-stabilized formation of U2F11+ from UF5+, U2F10+ from UF4+ and U3F16+ from U2F10+. Rate coefficients for the reactions of UF5+ and UF4+ with UF6 and the distribution of their products were found to depend upon the ion kinetic energy.

scholarly journals Atmospheric fungal nanoparticle bursts

2020 ◽  
Vol 6 (3) ◽  
pp. eaax9051 ◽  
Author(s):  
Michael J. Lawler ◽  
Danielle C. Draper ◽  
James N. Smith
Keyword(s):  
Gas Phase ◽  
Circulatory System ◽  
Ambient Air ◽  
Cloud Formation ◽  
Aerosol Nanoparticles ◽  
Ice Nuclei ◽  
Large Numbers ◽  
Secondary Formation ◽  
Mobility Diameter ◽  
Sudden Appearance

Aerosol nanoparticles play an important role in the climate system by affecting cloud formation and properties, as well as in human health because of their deep reach into lungs and the circulatory system. Determining nanoparticle sources and composition is a major challenge in assessing their impacts in these areas. The sudden appearance of large numbers of atmospheric nanoparticles is commonly attributed to secondary formation from gas-phase precursors, but in many cases, the evidence for this is equivocal. We report the detection of a mode of fungal fragments with a mobility diameter of roughly 30 nm released in episodic bursts in ambient air over an agricultural area in northern Oklahoma. These events reached concentrations orders of magnitude higher than other reports of biological particles and show similarities to unclarified events reported previously in the Amazon. These particles potentially represent a large source of both cloud-forming ice nuclei and respirable allergens in a variety of ecosystems.

scholarly journals A parallelized tool to calculate the electrical mobility of charged aerosol nanoparticles and ions in the gas phase

2020 ◽  
Vol 147 ◽  
pp. 105570 ◽  
Author(s):  
Joshua Coots ◽  
Viraj Gandhi ◽  
Tunde Onakoya ◽  
Xi Chen ◽  
Carlos Larriba-Andaluz
Keyword(s):  
Gas Phase ◽  
Electrical Mobility ◽  
Aerosol Nanoparticles ◽  
Charged Aerosol
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