Theoretical Study of the Interaction between Methyl Fluoride, Methyl Chloride, and Methyl Bromide with Hydrogen Peroxide

2004 ◽  
Vol 108 (50) ◽  
pp. 11101-11108 ◽  
Author(s):  
Hue Minh Thi Nguyen ◽  
Minh Tho Nguyen ◽  
Jozef Peeters ◽  
Thérèse Zeegers-Huyskens
Keyword(s):  
Hydrogen Peroxide ◽  
Methyl Bromide ◽  
Theoretical Study ◽  
Methyl Chloride ◽  
Methyl Fluoride

scholarly journals Application of copper(II)-based chemicals induces CH3Br and CH3Cl emissions from soil and seawater

2022 ◽  
Vol 13 (1) ◽  
Author(s):  
Yi Jiao ◽  
Wanying Zhang ◽  
Jae Yun Robin Kim ◽  
Malte Julian Deventer ◽  
Julien Vollering ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Solar Radiation ◽  
Organic Compounds ◽  
Methyl Bromide ◽  
Ozone Depletion ◽  
Stratospheric Ozone ◽  
Methyl Chloride ◽  
Stratospheric Ozone Depletion ◽  
Widespread Application ◽  
Effect Of Copper

AbstractMethyl bromide (CH3Br) and methyl chloride (CH3Cl) are major carriers of atmospheric bromine and chlorine, respectively, which can catalyze stratospheric ozone depletion. However, in our current understanding, there are missing sources associated with these two species. Here we investigate the effect of copper(II) on CH3Br and CH3Cl production from soil, seawater and model organic compounds: catechol (benzene-1,2-diol) and guaiacol (2-methoxyphenol). We show that copper sulfate (CuSO4) enhances CH3Br and CH3Cl production from soil and seawater, and it may be further amplified in conjunction with hydrogen peroxide (H2O2) or solar radiation. This represents an abiotic production pathway of CH3Br and CH3Cl perturbed by anthropogenic application of copper(II)-based chemicals. Hence, we suggest that the widespread application of copper(II) pesticides in agriculture and the discharge of anthropogenic copper(II) to the oceans may account for part of the missing sources of CH3Br and CH3Cl, and thereby contribute to stratospheric halogen load.

Isotopic Characterization (2H, 13C, 37Cl, 81Br) of the Abiotic Sinks of Methyl Bromide and Methyl Chloride in Water and Implications for Future Studies.

2018 ◽  
Author(s):  
Axel Horst ◽  
Magali Bonifacie ◽  
Gérard Bardoux ◽  
Hans-Hermann Richnow
Keyword(s):  
Methyl Bromide ◽  
Isotope Fractionation ◽  
Methyl Chloride ◽  
Methyl Halides ◽  
Future Studies ◽  
Halide Exchange ◽  
Isotopic Characterization

In this study we investigated the isotope fractionation of the abiotic sink (hydrolysis, halide exchange) of methyl halides in water.<br>

Methyl chloride and methyl bromide emissions from baking: an unrecognized anthropogenic source

2016 ◽  
Vol 551-552 ◽  
pp. 327-333 ◽  
Author(s):  
Brett F. Thornton ◽  
Axel Horst ◽  
Daniel Carrizo ◽  
Henry Holmstrand
Keyword(s):  
Methyl Bromide ◽  
Methyl Chloride ◽  
Anthropogenic Source
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