51
|
Timonen RS, Leu MT. Interaction of Ethyl Alcohol Vapor with Sulfuric Acid Solutions. J Phys Chem A 2006; 110:6660-6. [PMID: 16722680 DOI: 10.1021/jp055810h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
We investigated the uptake of ethyl alcohol (ethanol) vapor by sulfuric acid solutions over the range approximately 40 to approximately 80 wt % H2SO4 and temperatures of 193-273 K. Laboratory studies used a fast flow-tube reactor coupled to an electron-impact ionization mass spectrometer for detection of ethanol and reaction products. The uptake coefficients (gamma) were measured and found to vary from 0.019 to 0.072, depending upon the acid composition and temperature. At concentrations greater than approximately 70 wt % and in dilute solutions colder than 220 K, the gamma values approached approximately 0.07. We also determined the effective solubility constant of ethanol in approximately 40 wt % H2SO4 in the temperature range 203-223 K. The potential implications to the budget of ethanol in the global troposphere are briefly discussed.
Collapse
Affiliation(s)
- Raimo S Timonen
- Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA
| | | |
Collapse
|
52
|
Abstract
The uptake of SO2 on HOBr-treated ice surfaces has been studied using a flow reactor coupled with a differentially pumped quadrupole mass spectrometer at 190-240 K. The initial uptake coefficient was determined as a function of HOBr surface coverage, theta(HOBr), on the ice. The uptake coefficients increase as the HOBr coverage increases. The uptake coefficient can be expressed as gamma(t) = k(h)theta(HOBr), where k(h) = 1.5 x 10(-19) molecules(-1) cm(-2) at 191 K and k(h) = 6.4 x 10(-21) molecules(-1) cm(-2) at 210 K and theta(HOBr) is in the range of 8 x 10(13) to 1.2 x 10(15) molecules cm(-2). The effects of temperature and film thickness on the uptake coefficients of SO2 by the HOBr-treated ice films were also studied. The activation energy E(a) of SO(2) on HOBr-ice surfaces is approximately -81 +/- 8 kJ/mol in the 190-215 K range. Kinetic results were interpreted in terms of the Eley-Rideal mechanism. This study suggests that the uptake of SO2 on ice/snow surfaces is enhanced by the presence of HOBr near the ice surface. The implication for atmospheric chemistry is that HOBr-ice surfaces may not provide a significant pathway to oxide S(IV) in the boundary layer due to both lower uptake coefficient and smaller HOBr surface coverage at T > 220 K.
Collapse
Affiliation(s)
- Ronghua Jin
- Wadsworth Center, New York State Health Department and Department of Environmental Health Sciences, State University of New York at Albany, P.O. Box 509, Albany, New York 12201-0509, USA
| | | |
Collapse
|
53
|
Badger CL, Griffiths PT, George I, Abbatt JPD, Cox RA. Reactive Uptake of N2O5 by Aerosol Particles Containing Mixtures of Humic Acid and Ammonium Sulfate. J Phys Chem A 2006; 110:6986-94. [PMID: 16722713 DOI: 10.1021/jp0562678] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The kinetics of reactive uptake of N2O5 on submicron aerosol particles containing humic acid and ammonium sulfate has been investigated as a function of relative humidity (RH) and aerosol composition using a laminar flow reactor coupled with a differential mobility analyzer (DMA) to characterize the aerosol. For single-component humic acid aerosol the uptake coefficient, gamma, was found to increase from 2 to 9 x 10(-4) over the range 25-75% RH. These values are 1-2 orders of magnitude below those typically observed for single-component sulfate aerosols (Phys. Chem. Chem. Phys. 2003, 5, 3453-3463;(1) Atmos. Environ. 2000, 34, 2131-2159(2)). For the mixed aerosols, gamma was found to decrease with increasing humic acid mass fraction and increase with increasing RH. For aerosols containing only 6% humic acid by dry mass, a decrease in reactivity of more than a factor of 2 was observed compared with the case for single-component ammonium sulfate. The concentration of liquid water in the aerosol droplets was calculated using the aerosol inorganic model (for the ammonium sulfate component) and a new combined FTIR-DMA system (for the humic acid component). Analysis of the uptake coefficients using the water concentration data shows that the change in reactivity cannot be explained by the change in water content alone. We suggest that, due to its surfactant properties, the main effect of the humic acid is to reduce the mass accommodation coefficient for N2O5 at the aerosol particle surface. This has implications for the use of particle hygroscopicity data for predictions of the rate of N2O5 hydrolysis.
Collapse
Affiliation(s)
- Claire L Badger
- Centre for Atmospheric Science, Department of Chemistry, Lensfield Road, University of Cambridge, Cambridge CB2 1EW, UK
| | | | | | | | | |
Collapse
|
54
|
Woodcock KRS, Vondrak T, Meech SR, Plane JMC. A kinetic study of the reactions FeO++ O, Fe+·N2+ O, Fe+·O2+ O and FeO++ CO: implications for sporadic E layers in the upper atmosphere. Phys Chem Chem Phys 2006; 8:1812-21. [PMID: 16633666 DOI: 10.1039/b518155k] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
These gas-phase reactions were studied by pulsed laser ablation of an iron target to produce Fe(+) in a fast flow tube, with detection of the ions by quadrupole mass spectrometry. Fe(+).N(2) and Fe(+).O(2) were produced by injecting N(2) and O(2), respectively, into the flow tube. FeO(+) was produced from Fe(+) by addition of N(2)O, or by ligand-switching from Fe(+).N(2) following the addition of atomic O. The following rate coefficients were measured: k(FeO(+) + O --> Fe(+) + O(2), 186-294 K) = (3.2 +/- 1.5) x 10(-11); k(Fe(+).N(2) + O --> FeO(+)+ N(2), 294 K) = (4.6 +/- 2.5) x 10(-10); k(Fe(+).O(2) + O --> FeO(+) + O(2), 294 K) = (6.3 +/- 2.7) x 10(-11); and k(FeO(+) + CO --> Fe(+) + CO(2), 294 K) = (1.59 +/- 0.34) x 10(-10) cm(3) molecule(-1) s(-1), where the quoted uncertainties are a combination of the 1sigma standard errors in the kinetic data and the systematic experimental errors. The surprisingly slow reaction between FeO(+) and O is examined using ab initio quantum calculations of the relevant potential energy surfaces. The importance of this reaction for controlling the lifetime of sporadic E layers is then demonstrated using a model of the upper mesosphere and lower thermosphere.
Collapse
Affiliation(s)
- K R S Woodcock
- School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK
| | | | | | | |
Collapse
|
55
|
Fernandez MA, Hynes RG, Cox RA. Kinetics of ClONO2 Reactive Uptake on Ice Surfaces at Temperatures of the Upper Troposphere. J Phys Chem A 2005; 109:9986-96. [PMID: 16838916 DOI: 10.1021/jp053477b] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The reactive uptake kinetics of ClONO(2) on pure and doped water-ice surfaces have been studied using a coated wall flow tube reactor coupled to an electron impact mass spectrometer. Experiments have been conducted on frozen film ice surfaces in the temperature range 208-228 K with P((ClONO)(2)) < or = 10(-6) Torr. The uptake coefficient (gamma) of ClONO(2) on pure ice was time dependent with a maximum value of gamma(max) approximately 0.1. On HNO(3)-doped ice at 218 K the gamma(max) was 0.02. HOCl formation was detected in both experiments. On HCl-doped ice, uptake was gas-phase diffusion limited (gamma > 0.1) and gas-phase Cl(2) was formed. The uptake of HCl on ice continuously doped with HNO(3) was reversible such that there was no net uptake of HCl once the equilibrium surface coverage was established. The data were well described by a single site 2-species competitive Langmuir adsorption isotherm. The surface coverage of HCl on HNO(3)-doped ice was an order of magnitude lower than on bare ice for a given temperature and P(HCl). ClONO(2) uptake on this HCl/HNO(3)-doped ice was studied as a function of P(HCl). gamma(max) was no longer gas-phase diffusion limited and was found to be linearly dependent on the surface concentration of HCl. Under conditions of low HCl surface concentration, hydrolysis of ClONO(2) and reaction with HCl were competing such that both Cl(2) and HOCl were formed. A numerical model was used to simulate the experimental results and to aid in the parametrization of ClONO(2) reactivity on cirrus ice clouds in the upper troposphere.
Collapse
Affiliation(s)
- Miguel A Fernandez
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, CB2 1EW, United Kingdom
| | | | | |
Collapse
|
56
|
Thornton JA, Abbatt JPD. N2O5 Reaction on Submicron Sea Salt Aerosol: Kinetics, Products, and the Effect of Surface Active Organics. J Phys Chem A 2005; 109:10004-12. [PMID: 16838918 DOI: 10.1021/jp054183t] [Citation(s) in RCA: 179] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The reaction of N(2)O(5) on sea salt aerosol is a sink for atmospheric nitrogen oxides and a source of the Cl radical. We present room-temperature measurements of the N(2)O(5) loss rate on submicron artificial seawater (ASW) aerosol, performed with an entrained aerosol flow tube coupled to a chemical ionization mass spectrometer, as a function of aerosol phase (aqueous or partially crystalline), liquid water content, and size. We also present an analysis of the product growth kinetics showing that ClNO(2) is produced at a rate equal to N(2)O(5) loss, with an estimated lower limit yield of 50% at 50% relative humidity (RH). The reaction probability for N(2)O(5), gamma(N(2)(O)(5)), depends strongly on the particle phase, being 0.005 +/- 0.004 on partially crystalline ASW aerosol at 30% RH and 0.03 +/- 0.008 on aqueous ASW aerosol at 65% RH. At 50% RH, N(2)O(5) loss is relatively insensitive to particle size for radii greater than 100 nm, and gamma(N(2)(O)(5)) displays a statistically insignificant increase from 0.022 to approximately 0.03 for aqueous ASW aerosol over the RH range of 43-70%. We find that the presence of millimolar levels of hexanoic acid in the aerosol bulk decreases the gamma(N(2)(O)(5)) at 70% RH by a factor of 3-4 from approximately 0.025 to 0.008 +/- 0.004. This reduction is likely due to the partitioning of hexanoic acid to the gas-aerosol interface at a surface coverage that we estimate to be equivalent to a monolayer. This result is the first evidence that a monolayer coating of aqueous organic surfactant can slow the reactive uptake of atmospheric trace gases to aerosol.
Collapse
Affiliation(s)
- Joel A Thornton
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada. thornton@ atmos.washington.edu
| | | |
Collapse
|
57
|
Moise T, Rudich Y, Rousse D, George C. Multiphase decomposition of novel oxygenated organics in aqueous and organic media. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2005; 39:5203-8. [PMID: 16082948 DOI: 10.1021/es048488h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Prior to the massive use of new oxygenated solvents, data on their multiphase reactivity must be obtained to assess their environmental fate and impact on water and air quality. For this, the kinetics and mechanisms of the photochemical and photocatalytic degradation of selected oxygenated solvents by common tropospheric oxidants (such as OH and ozone) must be characterized. We studied the oxidation kinetics of new oxygenated solvents as pure organic liquids and in an aqueous medium by ozone and bythe OH radical, respectively. The studied chemicals are all unsaturated compounds, having none, one, or two ether groups. The results indicate that the OH reaction proceeds atthe diffusion limit by addition to the double bond. The reactive uptake coefficients associated with the reaction initiated by ozone are of the order of 10(-3). The reactions of compounds with two double bonds are very fast and probably occur at the surface. This kinetic information demonstrates that organic solvents in an organic medium or in an aqueous droplet will be oxidized rapidly by these oxidation reactions. These reactions, however, are not significant sinks for ozone and OH radicals.
Collapse
Affiliation(s)
- Tamar Moise
- Department of Environmental Sciences, Weizmann Institute, Rehovot 76100, Israel
| | | | | | | |
Collapse
|
58
|
Knopf DA, Anthony LM, Bertram AK. Reactive Uptake of O3 by Multicomponent and Multiphase Mixtures Containing Oleic Acid. J Phys Chem A 2005; 109:5579-89. [PMID: 16833889 DOI: 10.1021/jp0512513] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The heterogeneous reaction of O3 with lauric acid/oleic acid (LA/OA) mixtures and myristic acid/oleic acid (MA/OA) mixtures were studied as a function of composition, physical state, and microstructure at 298 K. Lauric acid and myristic acid are both alkanoic acids, whereas oleic acid is an alkenoic acid. Additionally, we investigated the uptake of O3 by multicomponent mixtures that closely represent the composition of meat-cooking aerosols. These measurements were performed with a rotating-wall flow-tube reactor coupled to a chemical ionization mass spectrometer. The reactive uptake coefficients (gamma) of O3 on liquid LA/OA and MA/OA solutions range from 4 x 10(-4) to 7.2 x 10(-4). The gamma values measured for solid-liquid LA/OA and MA/OA mixtures (which consist of solid LA or solid MA in equilibrium with a liquid) range from 2 x 10(-5) to 1.7 x 10(-4). These experiments show that only 7% solid by mass in the solid-liquid mixture can decrease gamma by an order of magnitude compared to the liquid mixtures. The gamma values for solid-liquid mixtures that closely represent the composition of meat-cooking aerosols range from 1.6 x 10(-5) to 6.9 x 10(-5). We found that gamma of solid-liquid mixtures depends on the microstructure of the mixtures, which in turn depends on the method of preparing the films. Furthermore, experiments employing solid-liquid mixtures show an increase in gamma with increasing film age. This can be explained either by the formation of a nonequilibrium phase followed by its relaxation to the stable phase or by Ostwald's ripening, which refers to a change in the solid microstructure due to a tendency to minimize the total surface free energy of the solid. We used the obtained gamma values to estimate OA lifetimes for polluted atmospheric conditions. For liquid solutions, the lifetimes were on the order of a few minutes. The lifetimes derived for solid-liquid mixtures are up to 75 min, significantly longer than for liquid solutions. Our study emphasizes the effect of the physical state and microstructure of multicomponent mixtures on the heterogeneous chemistry.
Collapse
Affiliation(s)
- Daniel A Knopf
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | | | | |
Collapse
|
59
|
Diao G, Chu LT. Heterogeneous Reactions of HX + HONO and I2on Ice Surfaces: Kinetics and Linear Correlations. J Phys Chem A 2005; 109:1364-73. [PMID: 16833453 DOI: 10.1021/jp045965+] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reaction probabilities of gaseous nitrous acid, HONO, with HCl, HBr, and HI treated ice surfaces have been investigated in a fast flow-tube reactor coupled with a differentially pumped quadrupole mass spectrometer (QMS) at 191 K. The reaction probability increases with the HX surface coverage, and the rate is the highest for the HONO reaction on the HI-treated ice surface. Relative rate constants are correlated to the nucleophilic parameter, according to the linear free-energy relationship for this series of heterogeneous reactions on ice surfaces. The correlation was also extended to HOCl + HX(ad) reactions on the ice surface, and it can be used to treat other heterogeneous atmospheric and catalytic reactions. The reaction products ClNO and BrNO were determined by the QMS. INO was found to rapidly convert to I2 on surfaces, and I2 was observed from the reaction of HONO + HI. The uptake coefficient of I2 on the HI-treated ice surface is higher than that for I2 on the water-ice surface.
Collapse
Affiliation(s)
- Guowang Diao
- Wadsworth Center, New York State Health Department, Albany, New York 12201-0509, USA
| | | |
Collapse
|
60
|
Murray BJ, Plane JMC. Uptake of Fe, Na and K atoms on low-temperature ice: implications for metal atom scavenging in the vicinity of polar mesospheric clouds. Phys Chem Chem Phys 2005; 7:3970-9. [DOI: 10.1039/b508846a] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
61
|
Thornton J. Measurements of HO2uptake to aqueous aerosol: Mass accommodation coefficients and net reactive loss. ACTA ACUST UNITED AC 2005. [DOI: 10.1029/2004jd005402] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
62
|
Ullerstam M, Thornberry T, Abbatt JPD. Uptake of gas-phase nitric acid to ice at low partial pressures: evidence for unsaturated surface coverage. Faraday Discuss 2005; 130:211-26; discussion 241-64, 519-24. [PMID: 16161786 DOI: 10.1039/b417418f] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The adsorption of gas-phase nitric acid onto water-ice surfaces at temperatures between 200 and 239 K has been studied over short time scales using a coated-wall flow tube coupled to a chemical ionization mass spectrometer. The nitric acid partial pressures used were between 10(-8) hPa and 10(-6) hPa, making this the first systematic study under partial pressure conditions present in the upper troposphere. Whereas previous findings using this technique have shown that the surface coverages are saturated at 2 to 3 x 10(14) molecules cm(-2) (referenced to the geometric surface area of the ice film) when partial pressures are larger than about 10(-7) hPa, the principal finding from this study is that the surface coverages are in the unsaturated regime at lower partial pressures. A conventional Langmuir adsorption isotherm describes the uptake in a quantitative manner while dissociative Langmuir isotherms that have been used in the past to model this process do not. The unsaturated surface coverages are strongly temperature dependent, in agreement with a number of field measurements of the nitric acid (or NOy) component of cirrus cloud particles. These laboratory results match those in the field better than do those measured at significantly higher partial pressures but, nevertheless, they still indicate somewhat greater uptake, particularly at higher temperatures.
Collapse
Affiliation(s)
- Maria Ullerstam
- Department of Chemistry, 80 St. George St., University of Toronto, ON, Toronto, Canada, MSS 3H6.
| | | | | |
Collapse
|
63
|
Hanson DR, Sugiyama M, Morita A. Revised Kinetics in the Droplet-Train Apparatus Due to a Wall Loss. J Phys Chem A 2004. [DOI: 10.1021/jp035710g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David R. Hanson
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado 80305-3000 USA
| | - Masakazu Sugiyama
- Department of Electronics Engineering, School of Engineering, The University of Tokyo, 7−3−1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Akihiro Morita
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa, Sakyo-ku, Kyoto 606-8502, Japan
| |
Collapse
|
64
|
Hickson KM, Keyser LF. Kinetics of the Cl(2PJ) + C2H6 Reaction between 177 and 353 K. J Phys Chem A 2004. [DOI: 10.1021/jp036458f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin M. Hickson
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Leon F. Keyser
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| |
Collapse
|
65
|
Kurylo MJ, Orkin VL. Determination of Atmospheric Lifetimes via the Measurement of OH Radical Kinetics. Chem Rev 2003; 103:5049-76. [PMID: 14664643 DOI: 10.1021/cr020524c] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Michael J Kurylo
- Physical and Chemical Properties Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
| | | |
Collapse
|
66
|
Hanson D, Kosciuch E. The NH3 Mass Accommodation Coefficient for Uptake onto Sulfuric Acid Solutions. J Phys Chem A 2003. [DOI: 10.1021/jp021570j] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- D. Hanson
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, CO 80307-3000
| | - E. Kosciuch
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, CO 80307-3000
| |
Collapse
|
67
|
Hanson DR. Reactivity of BrONO2and HOBr on sulfuric acid solutions at low temperatures. ACTA ACUST UNITED AC 2003. [DOI: 10.1029/2002jd002519] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
68
|
Hynes RG, Fernandez MA, Cox RA. Uptake of HNO
3
on water‐ice and coadsorption of HNO
3
and HCl in the temperature range 210–235 K. ACTA ACUST UNITED AC 2002. [DOI: 10.1029/2001jd001557] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Robert G. Hynes
- Centre for Atmospheric Science, Department of Chemistry University of Cambridge Cambridge UK
| | - Miguel A. Fernandez
- Centre for Atmospheric Science, Department of Chemistry University of Cambridge Cambridge UK
| | - R. Anthony Cox
- Centre for Atmospheric Science, Department of Chemistry University of Cambridge Cambridge UK
| |
Collapse
|
69
|
Mössinger JC, Hynes RG, Cox RA. Interaction of HOBr and HCl on ice surfaces in the temperature range 205–227 K. ACTA ACUST UNITED AC 2002. [DOI: 10.1029/2002jd002151] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Juliane C. Mössinger
- Department of Chemistry, Centre for Atmospheric Science University of Cambridge Cambridge UK
| | - Robert G. Hynes
- Department of Chemistry, Centre for Atmospheric Science University of Cambridge Cambridge UK
| | - R. Anthony Cox
- Department of Chemistry, Centre for Atmospheric Science University of Cambridge Cambridge UK
| |
Collapse
|
70
|
Moise T, Rudich Y. Reactive Uptake of Ozone by Aerosol-Associated Unsaturated Fatty Acids: Kinetics, Mechanism, and Products. J Phys Chem A 2002. [DOI: 10.1021/jp025597e] [Citation(s) in RCA: 185] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tamar Moise
- Department of Environmental Sciences, Weizmann Institute, Rehovot 76100, Israel
| | - Yinon Rudich
- Department of Environmental Sciences, Weizmann Institute, Rehovot 76100, Israel
| |
Collapse
|
71
|
Li Z, Jeong GR, Person E. Kinetics of reactions of OBrO with NO, O3, OClO, and ClO at 240-350 K. INT J CHEM KINET 2002. [DOI: 10.1002/kin.10069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
|
72
|
Chu LT, Diao G, Chu L. Kinetics of HOBr Uptake on NaBr and NaCl Surfaces at Varying Relative Humidity. J Phys Chem B 2002. [DOI: 10.1021/jp013594g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Liang T. Chu
- Wadsworth Center, NYS Department of Health and State University of New York, P.O. Box 509, Albany, New York 12201-0509
| | - Guowang Diao
- Wadsworth Center, NYS Department of Health and State University of New York, P.O. Box 509, Albany, New York 12201-0509
| | - Liang Chu
- Wadsworth Center, NYS Department of Health and State University of New York, P.O. Box 509, Albany, New York 12201-0509
| |
Collapse
|
73
|
Huff AK, Abbatt JPD. Kinetics and Product Yields in the Heterogeneous Reactions of HOBr with Ice Surfaces Containing NaBr and NaCl. J Phys Chem A 2002. [DOI: 10.1021/jp014296m] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Amy K. Huff
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Jonathan P. D. Abbatt
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| |
Collapse
|
74
|
|
75
|
Wang JJ, Keyser LF. Absolute Rate Constant of the OH + ClO Reaction at Temperatures between 218 and 298 K. J Phys Chem A 2001. [DOI: 10.1021/jp012426l] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jin Jin Wang
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Leon F. Keyser
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| |
Collapse
|
76
|
Bertram AK, Ivanov AV, Hunter M, Molina LT, Molina MJ. The Reaction Probability of OH on Organic Surfaces of Tropospheric Interest. J Phys Chem A 2001. [DOI: 10.1021/jp0114034] [Citation(s) in RCA: 226] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Allan K. Bertram
- Department of Earth, Atmospheric and Planetary Sciences and of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Andrey V. Ivanov
- Department of Earth, Atmospheric and Planetary Sciences and of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Martin Hunter
- Department of Earth, Atmospheric and Planetary Sciences and of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Luisa T. Molina
- Department of Earth, Atmospheric and Planetary Sciences and of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Mario J. Molina
- Department of Earth, Atmospheric and Planetary Sciences and of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| |
Collapse
|
77
|
Kane SM, Caloz F, Leu MT. Heterogeneous Uptake of Gaseous N2O5 by (NH4)2SO4, NH4HSO4, and H2SO4 Aerosols. J Phys Chem A 2001. [DOI: 10.1021/jp010490x] [Citation(s) in RCA: 88] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sean M. Kane
- Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Francois Caloz
- Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Ming-Taun Leu
- Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| |
Collapse
|
78
|
Suh I, Lei W, Zhang R. Experimental and Theoretical Studies of Isoprene Reaction with NO3. J Phys Chem A 2001. [DOI: 10.1021/jp0105950] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Inseon Suh
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843
| | - Wenfang Lei
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843
| | - Renyi Zhang
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843
| |
Collapse
|
79
|
Affiliation(s)
- Juliane C. Mössinger
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, U. K
| | - R. Anthony Cox
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, U. K
| |
Collapse
|
80
|
Longfellow CA, Ravishankara AR, Hanson DR. Reactive and nonreactive uptake on hydrocarbon soot: HNO3, O3, and N2O5. ACTA ACUST UNITED AC 2000. [DOI: 10.1029/2000jd900297] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
81
|
Determination of reaction rates via the discharge-flow chemiluminescence imaging technique: gas-phase reactions of O( P) with CFClCXY (X,Y=H,F,Cl). Chem Phys Lett 2000. [DOI: 10.1016/s0009-2614(00)00879-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
82
|
Huff AK, Abbatt JPD. Gas-Phase Br2 Production in Heterogeneous Reactions of Cl2, HOCl, and BrCl with Halide−Ice Surfaces. J Phys Chem A 2000. [DOI: 10.1021/jp001155w] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amy K. Huff
- Department of the Geophysical Sciences, The University of Chicago, 5734 South Ellis Avenue, Chicago, Illinois 60637
| | - Jonathan P. D. Abbatt
- Department of the Geophysical Sciences, The University of Chicago, 5734 South Ellis Avenue, Chicago, Illinois 60637
| |
Collapse
|
83
|
Chu L, Diao G, Chu LT. Heterogeneous Interaction of SO2 on H2O2-Ice Films at 190−210 K. J Phys Chem A 2000. [DOI: 10.1021/jp001323k] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Liang Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany, and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Guowang Diao
- Department of Environmental Health and Toxicology, State University of New York at Albany, and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Liang T. Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany, and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| |
Collapse
|
84
|
Affiliation(s)
- Inseon Suh
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843
| | - Renyi Zhang
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843
| |
Collapse
|
85
|
Moise T, Rudich Y. Reactive uptake of ozone by proxies for organic aerosols: Surface versus bulk processes. ACTA ACUST UNITED AC 2000. [DOI: 10.1029/2000jd900071] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
86
|
Hallquist M, Stewart DJ, Baker J, Cox RA. Hydrolysis of N2O5 on Submicron Sulfuric Acid Aerosols. J Phys Chem A 2000. [DOI: 10.1021/jp9939625] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mattias Hallquist
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - David J. Stewart
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Jacob Baker
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - R. Anthony Cox
- Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| |
Collapse
|
87
|
Chu L, Diao G, Chu LT. Heterogeneous Interaction and Reaction of HONO on Ice Films between 173 and 230 K. J Phys Chem A 2000. [DOI: 10.1021/jp9937151] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Liang Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Guowang Diao
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Liang T. Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| |
Collapse
|
88
|
|
89
|
Affiliation(s)
- D. R. Hanson
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado
| | - F. Eisele
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado
| |
Collapse
|
90
|
Li Z, Tao Z, Naik V, Good DA, Hansen JC, Jeong GR, Francisco JS, Jain AK, Wuebbles DJ. Global warming potential assessment for CF3OCF = CF2. ACTA ACUST UNITED AC 2000. [DOI: 10.1029/1999jd900943] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
91
|
Lee SH, Leard DC, Zhang R, Molina LT, Molina MJ. The HCl+ClONO2 reaction rate on various water ice surfaces. Chem Phys Lett 1999. [DOI: 10.1016/s0009-2614(99)01182-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
92
|
Affiliation(s)
- Liang Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Liang T. Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| |
Collapse
|
93
|
Wang JJ, Keyser LF. Kinetics of the Cl(2PJ) + CH4 Reaction: Effects of Secondary Chemistry below 300 K. J Phys Chem A 1999. [DOI: 10.1021/jp9913259] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. J. Wang
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Leon F. Keyser
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| |
Collapse
|
94
|
Waschewsky GCG, Abbatt JPD. HOBr in Sulfuric Acid Solutions: Solubility and Reaction with HCl as a Function of Temperature and Concentration. J Phys Chem A 1999. [DOI: 10.1021/jp984489i] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Jonathan P. D. Abbatt
- Department of the Geophysical Sciences, The University of Chicago, Chicago, Illinois 60637
| |
Collapse
|
95
|
|
96
|
Longfellow CA, Ravishankara AR, Hanson DR. Reactive uptake on hydrocarbon soot: Focus on NO2. ACTA ACUST UNITED AC 1999. [DOI: 10.1029/1999jd900145] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
97
|
Affiliation(s)
- Zhuangjie Li
- Department of Atmospheric Sciences, University of Illinois at UrbanaChampaign, Urbana, Illinois 61801
| |
Collapse
|
98
|
Affiliation(s)
- Liang Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| | - Liang T. Chu
- Department of Environmental Health and Toxicology, State University of New York at Albany and Wadsworth Center, P.O. Box 509, Albany, New York 12201-0509
| |
Collapse
|
99
|
Froyd KD, Lovejoy ER. Direct measurement of the C2H5C(O)O2 + NO reaction rate coefficient using chemical ionization mass spectrometry. INT J CHEM KINET 1999. [DOI: 10.1002/(sici)1097-4601(1999)31:3<221::aid-kin4>3.0.co;2-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
100
|
|