Measurements of H2O2 and SO2 in clouds and estimates of their reaction rate

A. S. Chandler; T. W. Choularton; G. J. Dollard; A. E J Eggleton; M. J. Gay; T. A. Hill; B. M R Jones; B. J. Tyler; B. J. Bandy; S. A. Penkett

Measurements of H2O2 and SO2 in clouds and estimates of their reaction rate

A. S. Chandler, T. W. Choularton, G. J. Dollard, A. E J Eggleton, M. J. Gay, T. A. Hill, B. M R Jones, B. J. Tyler, B. J. Bandy, S. A. Penkett

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Abstract

Recently the oxidation of sulphur dioxide (SO2) in the atmosphere to form sulphuric acid has become an important research area related to the formation of acid rain and subsequent damage to sensitive ecosystems. Mechanisms leading to the formation of sulphuric acid include both homogeneous gas-phase reactions and multi-phase processes occurring in cloud and rain water1. Laboratory and theoretical studies have demonstrated the importance of hydrogen peroxide (H2O2) in oxidizing SO2 to sulphate2-4. Recent advances in analytical techniques5,6 have enabled data to be collected under ambient conditions. These show that an anti-correlation often exists between the simultaneous gas-phase SO2 and the liquid-phase H2O2 concentrations, suggesting that a reaction occurs between SO2 and H2O2 (refs 7-9). Here we report measurements that allow estimation of a field-derived rate constant for the reaction of SO2 with H2O2 in cloud water. These estimates are significantly higher than those derived from laboratory experiments. © 1988 Nature Publishing Group.

Original language	English
Pages (from-to)	562-565
Number of pages	3
Journal	Nature
Volume	336
Issue number	6199
Publication status	Published - 1988

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@article{bb485a057a1f4088a9092d44c1a1a90e,

title = "Measurements of H2O2 and SO2 in clouds and estimates of their reaction rate",

abstract = "Recently the oxidation of sulphur dioxide (SO2) in the atmosphere to form sulphuric acid has become an important research area related to the formation of acid rain and subsequent damage to sensitive ecosystems. Mechanisms leading to the formation of sulphuric acid include both homogeneous gas-phase reactions and multi-phase processes occurring in cloud and rain water1. Laboratory and theoretical studies have demonstrated the importance of hydrogen peroxide (H2O2) in oxidizing SO2 to sulphate2-4. Recent advances in analytical techniques5,6 have enabled data to be collected under ambient conditions. These show that an anti-correlation often exists between the simultaneous gas-phase SO2 and the liquid-phase H2O2 concentrations, suggesting that a reaction occurs between SO2 and H2O2 (refs 7-9). Here we report measurements that allow estimation of a field-derived rate constant for the reaction of SO2 with H2O2 in cloud water. These estimates are significantly higher than those derived from laboratory experiments. {\textcopyright} 1988 Nature Publishing Group.",

author = "Chandler, \{A. S.\} and Choularton, \{T. W.\} and Dollard, \{G. J.\} and Eggleton, \{A. E J\} and Gay, \{M. J.\} and Hill, \{T. A.\} and Jones, \{B. M R\} and Tyler, \{B. J.\} and Bandy, \{B. J.\} and Penkett, \{S. A.\}",

year = "1988",

language = "English",

volume = "336",

pages = "562--565",

journal = "Nature",

issn = "0028-0836",

publisher = "Nature Research",

number = "6199",

}

TY - JOUR

T1 - Measurements of H2O2 and SO2 in clouds and estimates of their reaction rate

AU - Chandler, A. S.

AU - Choularton, T. W.

AU - Dollard, G. J.

AU - Eggleton, A. E J

AU - Gay, M. J.

AU - Hill, T. A.

AU - Jones, B. M R

AU - Tyler, B. J.

AU - Bandy, B. J.

AU - Penkett, S. A.

PY - 1988

Y1 - 1988

N2 - Recently the oxidation of sulphur dioxide (SO2) in the atmosphere to form sulphuric acid has become an important research area related to the formation of acid rain and subsequent damage to sensitive ecosystems. Mechanisms leading to the formation of sulphuric acid include both homogeneous gas-phase reactions and multi-phase processes occurring in cloud and rain water1. Laboratory and theoretical studies have demonstrated the importance of hydrogen peroxide (H2O2) in oxidizing SO2 to sulphate2-4. Recent advances in analytical techniques5,6 have enabled data to be collected under ambient conditions. These show that an anti-correlation often exists between the simultaneous gas-phase SO2 and the liquid-phase H2O2 concentrations, suggesting that a reaction occurs between SO2 and H2O2 (refs 7-9). Here we report measurements that allow estimation of a field-derived rate constant for the reaction of SO2 with H2O2 in cloud water. These estimates are significantly higher than those derived from laboratory experiments. © 1988 Nature Publishing Group.

AB - Recently the oxidation of sulphur dioxide (SO2) in the atmosphere to form sulphuric acid has become an important research area related to the formation of acid rain and subsequent damage to sensitive ecosystems. Mechanisms leading to the formation of sulphuric acid include both homogeneous gas-phase reactions and multi-phase processes occurring in cloud and rain water1. Laboratory and theoretical studies have demonstrated the importance of hydrogen peroxide (H2O2) in oxidizing SO2 to sulphate2-4. Recent advances in analytical techniques5,6 have enabled data to be collected under ambient conditions. These show that an anti-correlation often exists between the simultaneous gas-phase SO2 and the liquid-phase H2O2 concentrations, suggesting that a reaction occurs between SO2 and H2O2 (refs 7-9). Here we report measurements that allow estimation of a field-derived rate constant for the reaction of SO2 with H2O2 in cloud water. These estimates are significantly higher than those derived from laboratory experiments. © 1988 Nature Publishing Group.

UR - https://www.scopus.com/pages/publications/0024251192

M3 - Article

SN - 0028-0836

VL - 336

SP - 562

EP - 565

JO - Nature

JF - Nature

IS - 6199

ER -

Measurements of H2O2 and SO2 in clouds and estimates of their reaction rate

Abstract

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