Physico-Chemical Behaviour of Atmospheric Pollutants : Proceedings of the Third European Symposium Held in Varese, Italy, 10–12 April 1984

Front Matter....Pages i-xiv Front Matter....Pages 1-4 Field Measurements of Tropospheric OH by Long-Path UV Laser Absorption....Pages 5-11 Evaluation of Atmospheric Acidity — Sampling and Analytical Techniques....Pages 12-19 Attempted Measurement of Gaseous H 2 O 2 in the Ambient Atmosphere....Pages 20-26 Properties, Formation and Detection of Peroxyacetyl Nitrate....Pages 27-37 Cryogenic Sampling and Analysis of Peroxyacetyl Nitrate in the Atmosphere....Pages 38-43 Sampling and Analysis of Acetaldehyde in Tropospheric Air....Pages 44-52 Optimisation des Methodes de Prelevement et D’Analyse des Hydrocarbures Aromatiques Polycycliques et de Leurs Derives Azotes — Determination de Leur Stabilite dans L’Atmosphere....Pages 53-61 Sampling, Identification and Quantitative Determination of Biogenic and Anthropogenic Hydrocarbons in Forestal Areas....Pages 62-73 Determination of Hydrogen Peroxide in Cloud and Rain Water....Pages 74-82 Bestimmung von Schwefelsäure und Sulfaten in der Luft....Pages 83-89 La Mesure en Continu des Sulfates par Photometrie de Flamme....Pages 90-100 Plants as Monitoring Samplers of Airborne PAH....Pages 101-110 Preparation of Diffusion Denuder Tubes for Collection of Ammonia or Acidic Gases in Air. Equipment for Coating and Extraction....Pages 111-119 The Pixe Analytical Technique and Its Application to Environmental Problems....Pages 120-137 Front Matter....Pages 139-142 Kinetic Study of Reactions of OH Radicals with Organic Sulfur Compounds....Pages 143-148 Reactions of OH Radicals with Reduced Sulfur Compounds Under Atmospheric Conditions....Pages 149-157 Lif Studies of Formation and Kinetics of Primary Radical Products in OH-Oxygenated Hydrocarbon Reactions....Pages 158-167 The Temperature Dependence of the Forward-Backward Reactions of the Addition of OH to Benzene, Aniline and Nitrobenzene....Pages 168-176 Absolute Rate Constant Measurements of OH Reactions Under Atmospheric Conditions by Laser Photolysis/Dye Laser Fluorescence....Pages 177-187 Photooxidation of Acetaldehyde....Pages 188-193 Front Matter....Pages 139-142 A FTIR Spectroscopic Study of the Photooxidation of Acetaldehyde in Air....Pages 194-204 Absorption Spectrum and Kinetics of the NO 3 Radical....Pages 205-215 Hydroxyl Radical Concentration in Ambient Air at a Semirural Site Estimated from C 13 O Oxidation....Pages 216-226 Temperature Dependence of the Reactions SO + O 3 (1) and SO + O 2 (2)....Pages 227-239 A Study of N 2 O 5 and NO 3 Chemistry and the Photolysis of N 2 O 5 Mixtures....Pages 240-248 A Study of the Reaction between C10 and NO 2 Using Matrix Isolation FTIR Spectroscopy and UV-Visible Spectroscopy....Pages 249-257 Oxidation of Methylchloroform....Pages 258-263 Transformation of Reactive PAH on Particles by Exposure to Oxidized Nitrogen Compounds....Pages 264-273 The Kinetic Coefficient of the C 2 H 4 + O Reaction Over Extended Pressure and Temperature Ranges....Pages 274-282 Kinetics of the reaction of OH with Ethane and a series of Cl− and F-substituted Methanes at 300–400 K, studied by pulse radiolysis combined with kinetic spectroscopy....Pages 283-292 The Role of Freons in the Chemistry of the Upper Atmosphere....Pages 293-295 Front Matter....Pages 297-299 Mesure de Particules Fines dans une Zone Polluee....Pages 300-308 Design and Performance of an Aerosol Reactor for Photochemical Studies....Pages 309-319 Physical and Chemical Characteristics of Suspended Particulates During Smog Conditions in Berlin(W)....Pages 320-321 A Study of the Concentration of Sulfates in the Particulate Matter....Pages 322-330 Aerosol Neutralization by Atmospheric Ammonia....Pages 331-338 Elemental Composition and Size Distribution of Atmospheric Aerosols During Long Range Transport....Pages 339-347 Characterization of Suspended Particulate Matter in a Lead Smeltery Area....Pages 348-355 The Concentration of Sulfate in Broken Cloud Layers....Pages 356-363 Combined Photolytic and Radiolytic Aerosol Formation in a SO 2 -NO 2 -Air Mixture....Pages 364-372 Front Matter....Pages 297-299 Measurement of Gaseous Halogenated Hydrocarbons in Ambient Air....Pages 373-377 Front Matter....Pages 379-389 NO x Background Mixing Ratios in Surface Air Over Europe and the Atlantic Ocean....Pages 390-400 Regional Background Concentrations of NO 2 in Sweden....Pages 401-411 Nitrous Acid in Polluted Air Masses — Sources and Formation Pathways....Pages 412-422 Study of the Chemical Characteristics of Wet and Dry Deposition in Switzerland....Pages 423-432 Vertical and Horizontal Profiles of Hydrogen Chloride in the Mediterranean Region....Pages 433-440 Bilan Ionique et Acidite de la Precipitation Antarctique....Pages 441-450 Etude de L’Influence D’Une Source Locale Naturelle Intense de Composes Organosoufres sur la Chimie de la Troposphere en Milieu non Pollue....Pages 451-460 Fluctuations Temporelles Fines de la Composition Chimique de L’Aerosol Cotier....Pages 461-470 Toxic Metals and Metalloids in High Altitude Alpine Glaciers Snow and Ice....Pages 471-479 Results of Many Years’ Analyses of Precipitation Chemistry on Samples Obtained Simultaneously at 3.0 Km, 1.8 Km, and 0.7 Km ASL....Pages 480-491 Measurements of the Latitudinal Distribution of Light Hydrocarbons and Halocarbons Over the Atlantic....Pages 492-501 Front Matter....Pages 503-505 Composition and Origin of Cloudwater Solutes....Pages 506-516 Air Sampling Flights Round the British Isles at Low Altitudes: SO 2 Oxidation and Removal Rates....Pages 517-534 Oxidation of No to No 2 in Flue Gas Plumes of Power Stations....Pages 535-543 Campagne Experimentale En Vue de la Modelisation de Panache Reactif....Pages 544-553 The Atmospheric Significance of Liquid Phase Oxidation of SO 2 to Sulphate by O 3 and H 2 O 2 ....Pages 554-564 Some possibilities of modelling data from the “FOS” european field experiment (june 6/15 1983)....Pages 565-572 Atmospheric Tracer Dispersion Experiments (at the Mol Nuclear Energy Research Center)....Pages 573-582 A Sampling Network for the Assessment of the Heavy Metal Pollution Originating From a Municipal Incinerator Plant in Belgium....Pages 583-589 Front Matter....Pages 503-505 Evaluation of the Information From a Continuously Working Precipitation Monitor....Pages 590-595 Production ET Transfert D’ozone Sur Le Bassin De Fos-Berre....Pages 596-606 Comparison between the Scavenging Ratios for Nitrate and Sulphate at a Rural Site....Pages 607-615 Identification Des Sources D’Hydrocarbures Aromatiques Polycycliques Particulaires Dans L ’ Atmosphere Urbaine....Pages 616-625 Photochemical Air Pollution in Denmark. Weekday Effects and Evidence of Large-Scale Formation....Pages 626-634 Classement Automatique Des Trajectoires Du Panache De L’etna Etude Climatologique....Pages 635-647 What is the Source of Acid in Clouds?....Pages 649-656 Back Matter....Pages 657-666