Because ozone is gas, it directly affects the lungs and the entire respiratory system. [ (B) Describe the bonding in ozone by drawing and matching group orbitals and central-atom orbitals according to their symmetry. [93] Many public health and environmental groups also supported the 60 nmol/mol standard,[100] and the World Health Organization recommends 100 µg/m3 (51 nmol/mol).[101]. The risk for hospitalization in children with asthma increases with chronic exposure to ozone; younger children and those with low-income status are even at greater risk. Charlotte Songeur : L'ozone est un polluant secondaire qui n'est pas directement émis par l'activité humaine. How healthy is the air you breathe? Under the current standards, eight-hour average ozone mole fractions of 85 to 104 nmol/mol are described as "unhealthy for sensitive groups", 105 nmol/mol to 124 nmol/mol as "unhealthy", and 125 nmol/mol to 404 nmol/mol as "very unhealthy". K Oxygen starts to absorb weakly at 240 nm in the Herzberg bands, but most of the oxygen is dissociated by absorption in the strong Schumann–Runge bands between 200 and 160 nm where ozone does not absorb. Ozone is also added to recirculating systems to reduce nitrite levels[163] through conversion into nitrate. Le très haut débit sans limite, surfez et partagez à la vitesse de la lumière. Severe and permanent lung injury or death could result from even a very short-term exposure to relatively low concentrations."[114]. Air quality guidelines such as those from the World Health Organization, the United States Environmental Protection Agency (EPA) and the European Union are based on detailed studies designed to identify the levels that can cause measurable ill health effects. In the cold plasma method, pure oxygen gas is exposed to a plasma created by dielectric barrier discharge. DSL Non utilisé dans le cadre de l'Internet par Satellite Internet Vert allumé - La connexion Internet est établie. b ⋅ ] The lower the gas velocity, the higher the concentration (but the lower the net ozone produced). This is especially true of devices using high voltages, such as ionic air purifiers, laser printers, photocopiers, tasers and arc welders. American Lung Association. [128] The half cell reactions taking place are: In the net reaction, three equivalents of water are converted into one equivalent of ozone and three equivalents of hydrogen. [22] It can also be used for bleaching substances and for killing microorganisms in air and water sources. As mentioned above, Denver, Colorado is one of the many cities in the United States that has high amounts of ozone. ] 2 [107], Ozone, along with reactive forms of oxygen such as superoxide, singlet oxygen, hydrogen peroxide, and hypochlorite ions, is produced by white blood cells and other biological systems (such as the roots of marigolds) as a means of destroying foreign bodies. − ; Kill bacteria on food or on contact surfaces; Scrub yeast and mold spores from the air in food processing plants; Wash fresh fruits and vegetables to kill yeast, mold and bacteria; Chemically attack contaminants in water (, Manufacture chemical compounds via chemical synthesis. The small unabsorbed part that remains of UV-B after passage through ozone causes sunburn in humans, and direct DNA damage in living tissues in both plants and animals. While shorter wavelength light, extending to even the X-Ray limit, is energetic enough to dissociate molecular oxygen, there is relatively little of it, and, the strong solar emission at Lyman-alpha, 121 nm, falls at a point where molecular oxygen absorption is a minimum. According to scientists with the US EPA, susceptible people can be adversely affected by ozone levels as low as 40 nmol/mol. Ozone Wf48 is a new upcoming project which is located at mahadevpura road, whitefield, bangalore. Symétrie Point Group groupe de symétrie . [51] Ozone pollution in urban areas is especially concerning with increasing temperatures, raising heat-related mortality during heat waves. Old generation methods will produce less than 50% of nominal capacity if operated with humid ambient air, as opposed to very dry air. The U.S. When high voltage is applied to the foil leads, electricity will discharge between the dry dioxygen in the middle and form O3 and O2 which will flow out the top port. = Draw the molecular orbital diagram with the resulting orbitals in approximate order of energy with dotted correlation lines from the constituent atomic orbitals. [119][120] They are typically cost-effective and do not require an oxygen source other than the ambient air to produce ozone concentrations of 3–6%. Henry Henshaw to William Brewster, July 2, 1902, Harvard Museum of Comparative Zoology Archives. Safe Drinking Water Act mandates that these systems introduce an amount of chlorine to maintain a minimum of 0.2 μmol/mol residual free chlorine in the pipes, based on results of regular testing. *#1, Maier, D.E.2. Ozone is similarly formed in the Catatumbo lightning storms phenomenon on the Catatumbo River in Venezuela, though ozone's instability makes it dubious that it has any effect on the ozonosphere. According to the American Lung Association, the Denver-Aurora area is the 14th most ozone-polluted area in the United States. O-Zone était un groupe moldave de musique pop chantant en roumain, composé de Dan Bălan, Radu Sârbu et Arsenie Todiraș. ⋅ Vous connecter au meilleur du numérique partout en France, c'est notre cÅ“ur de métier. [ Le Groupe exploite des réseaux télécoms dans une dizaine de pays dans le monde, exportant ainsi le savoir-faire français sur quatre continents. [103], The EPA has developed an air quality index (AQI) to help explain air pollution levels to the general public. [57] According to an article from the University of Colorado-Boulder, "Oil and natural gas VOC emission have a major role in ozone production and bear the potential to contribute to elevated O3 levels in the Northern Colorado Front Range (NCFR)". There have also been changes made to decrease Nitrogen Oxides (NOx) and Volatile Organic Compound (VOC) emissions, which should help lower ozone levels. In the second half of the 20th Century the amount of ozone in the stratosphere was discovered to be declining, mostly because of increasing concentrations of chlorofluorocarbons (CFC) and similar chlorinated and brominated organic molecules. Catalysts typically chosen for this approach are lead dioxide[122] or boron-doped diamond. [130] Ozone has a very high oxidation potential. Continuous monitors for ozone are available from several suppliers. [142][151] Considering this, recent research efforts have been directed towards the study of effective ozone water treatment systems[152] Researchers have looked into lightweight and compact low power surface DBD reactors,[153][154] energy efficient volume DBD reactors[155] and low power micro-scale DBD reactors. There is also not normally a need for expensive off-gas mechanisms, and no need for air driers or oxygen concentrators which require extra costs and maintenance. Above 400 nm, extending well out into the NIR, are the Chappius and Wulf bands. L'ozone atteint son point critique à 5 460 kPa et −12,05 °C [4]. ⋅ Together, these changes in the epithelial barrier help make individuals more susceptible to pulmonary infections. [50] Ozone pollution in urban areas affects denser populations, and is worsened by high populations of vehicles, which emit pollutants NO2 and VOCs, the main contributors to problematic ozone levels. Le groupe s'est séparé le 13 janvier 2005. Retrieved March 20, 2019, from, CS1 maint: multiple names: authors list (, Colorado Department of Public Health and Environment. {\displaystyle V={2K_{2}\cdot K_{1}\cdot [O_{3}]^{2} \over K_{-1}\cdot [O_{2}]}}, Finally, the mechanism presented allows to establish the rate observed experimentally, with a rate constant (Kobs) and corresponding to a first order kinetics, as follows:[35], V {\displaystyle V={K_{obs}\cdot [O_{3}]^{2} \over [O_{2}]}=K_{obs}\cdot [O_{3}]^{2}\cdot [O_{2}]^{-1}}, where Grâce à cette interface : Gérez vos services et votre messagerie; Consultez vos factures et vos infos persos O Embrittlement or shrinkage is the common mode of failure of elastomers with exposure to ozone. This can be done with an apparatus consisting of two concentric glass tubes sealed together at the top with gas ports at the top and bottom of the outer tube. In most EOG methods, the hydrogen gas will be removed to leave oxygen and ozone as the only reaction products. [39] The symmetric stretch and bend are weak absorbers, but the antisymmetric stretch is strong and responsible for ozone being an important minor greenhouse gas. Fluctuations in ambient air, due to weather or other environmental conditions, cause variability in ozone production. These studies have shown that exposure to ozone causes changes in the immune response within the lung tissue, resulting in disruption of both the innate and adaptive immune response, as well as altering the protective function of lung epithelial cells. In the U.S., air purifiers emitting low levels of ozone have been sold. THE SCHÖNBEIN PERIOD, 1839–1868", "Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings". The resulting arc will convert atmospheric oxygen to ozone. Offre fibre souscrite en mars 2019. This means that over a 20-year span, the global warming potential of tropospheric ozone is much less, roughly 62 to 69 tons carbon dioxide equivalent / ton tropospheric ozone. [110], Ozone has been implicated to have an adverse effect on plant growth: "... ozone reduced total chlorophylls, carotenoid and carbohydrate concentration, and increased 1-aminocyclopropane-1-carboxylic acid (ACC) content and ethylene production. Que vous soyez une collectivité, un professionnel de la restauration, de l'hôtellerie, du tourisme, Ozone Pro vous propose dès à présent une solution... France TV : Culturebox, la nouvelle chaîne éphémère de la culture. Many hospitals around the world use large ozone generators to decontaminate operating rooms between surgeries. Du point de vue politique, on peut résumer la situation de l’ozone stratosphérique en disant que l’on est en train de sortir de la période ou les substances à bannir étaient les composés chlorés et bromés (sous réserve du respect du Protocole de Montréal) et qu’il faut œuvrer 2 Certain examples of cities with elevated ozone readings are Denver, Colorado, Houston, Texas, and Mexico City, Mexico. [ Search the world's information, including webpages, images, videos and more. K Ozone have been the brand to watch of late, this dedicated small group of passionate riders have been pumping out incredible products for a long time. This conversion of UV light into kinetic energy warms the stratosphere. [112][113] Furthermore, it was also observed a decrease in chlorophylls levels and antioxidant defences on the leaves, as well as increased the reactive oxygen species (ROS) levels and lipid and protein damages.[112][113]. Although ozonation of water with a high concentration of bromide does lead to the formation of undesirable brominated disinfection byproducts, unless drinking water is produced by desalination, ozonation can generally be applied without concern for these byproducts. It is this band that is responsible for absorbing UV C in the stratosphere. Fuel lines made of reinforced rubber are also susceptible to attack, especially within the engine compartment, where some ozone is produced by electrical components. (August 2014). A source of dry O2 is applied to the bottom port. Because of the strongly oxidizing properties of ozone, ozone is a primary irritant, affecting especially the eyes and respiratory systems and can be hazardous at even low concentrations. At typical industrial conditions, almost 90% of the effective power is dissipated as heat and needs to be removed by a sufficient cooling water flow. [117] Some planes are equipped with ozone converters in the ventilation system to reduce passenger exposure.[116]. [74] It is thought that these changes in immune response and the related inflammatory response are factors that likely contribute to the increased risk of lung infections, and worsening or triggering of asthma and reactive airways after exposure to ground-level ozone pollution. If oxygen-fed ozone is used, the water will be higher in dissolved oxygen and fishes' gill structures will atrophy, making them dependent on oxygen-enriched water. Ozone often forms in nature under conditions where O2 will not react. There is a great deal of evidence to show that ground-level ozone can harm lung function and irritate the respiratory system. [64], Because of its short-lived nature, tropospheric ozone does not have strong global effects, but has very strong radiative forcing effects on regional scales. An estimate of the rate of this termination step to the cycling of atomic oxygen back to ozone can be found simply by taking the ratios of the concentration of O2 to O3. s Ozonides for all the alkali metals are known. 2 Reduction of ozone gives the ozonide anion, O−3. [40], The electronic spectrum of ozone is quite complex. This is the most common type of ozone generator for most industrial and personal uses. Point de fusion :-192,5 °C: Point d'ébullition :-111,3 °C: Tension de vapeur : Sans objet : Concentration à saturation : Sans objet : Facteur de conversion (ppm->mg/m³) : 1,963: Taux d'évaporation (éther=1) : Sans objet : Inflammabilité et explosibilité 1 6 10. Briefly mentioned above, NOx and VOCs react with sunlight to create ozone through a process called photochemistry. [84], Adults suffering from respiratory diseases (asthma,[85] COPD,[86] lung cancer[87]) are at a higher risk of mortality and morbidity and critically ill patients have an increased risk of developing acute respiratory distress syndrome with chronic ozone exposure as well.[88]. O The dominating parameter influencing ozone generation efficiency is the gas temperature, which is controlled by cooling water temperature and/or gas velocity. Laissez-vous guider vers le Très Haut Débit, Des offres claires, simples et sécurisées, La vidéosurveillance et vidéobienveillance, Veillez sur votre foyer, proches ou entreprise avec notre solution Vigilians, Parrainez vos proches et gagnez des mois d'abonnement, Soutien du Gouvernement : aide financière de l’Etat jusqu’à 150 € de remise immédiate, Découvrez les offres disponibles chez vous, Découvrez nos technologies d'accès à Internet, La vidéosurveillance et vidéobienveillance chez vous, Protégez votre vie numérique au quotidien, avec une suite de sécurité avancée pour Windows, macOS & Android, L'illimité en France métropolitaine et vers 70 destinations. [ 5, O3, and NO2 exposures and associations with mortality over 16 years of follow-up in the Canadian Census Health and Environment Cohort (CanCHEC)", "Chronic exposure to ambient ozone and asthma hospital admissions among children", "Critical review of long-term ozone exposure and asthma development", "A time-stratified case-crossover study of ambient ozone exposure and emergency department visits for specific respiratory diagnoses in California (2005–2008)", "Long-term ozone exposure increases the risk of developing the acute respiratory distress syndrome", California Certified Air Cleaning Devices, Answer to follow-up questions from CAFE (2004), "Health Effects of Ozone in the General Population", "Ozone nation: EPA standard panned by the people", "Ozone Overload: Current Standards May Not Protect Health", "The exposure-response curve for ozone and risk of mortality and the adequacy of current ozone regulations", "DIRECTIVE 2008/50/EC on ambient air quality and cleaner air for Europe", "Comments of the American Lung Association, Environmental Defense, Sierra Club on the U.S. Environmental Protection Agency's Proposed Revisions to the National Ambient Air Quality Standards for Ozone July 11, 2007 – 72 FR 37818", National Ambient Air Quality Standards for Ozone, "Federal Register | National Ambient Air Quality Standards for Ozone", "Asthma admissions and thunderstorms: a study of pollen, fungal spores, rainfall, and ozone". The ozone concn in intercellular air spaces was measured directly by supplying ozone to the leaf from one side and measuring the equilibrium concn above the other side and it was found to be zero. Avec la 4G, surfez jusqu’à 10 fois plus rapidement qu’en 3G+ en profitant d’un débit maximum de 100Mbit/s. K Ozone is a reagent in many organic reactions in the laboratory and in industry. − = This quantity is 20,000 times the WHO-recommended limits stated above. [57]  Using complex analyses to research wind patterns and emissions from large oil and natural gas operations, the authors concluded that "elevated O3 levels in the NCFR are predominantly correlated with air transport from N– ESE, which are the upwind sectors where the O&NG operations in the Wattenberg Field area of the DJB are located".[57]. Fournisseur d'accès internet depuis 2003 et filiale du groupe NomoTech, Ozone propose des solutions Haut et Très Haut Débit pour tous. Available from: chlorinated and brominated organic molecules, United States Environmental Protection Agency, Intergovernmental Panel on Climate Change, Environmental impact of the coal industry, U.S. Occupational Safety and Health Administration, Occupational Safety and Health Administration, Global Ozone Monitoring by Occultation of Stars, International Day for the Preservation of the Ozone Layer, National Institute for Occupational Safety and Health, "On the Refraction and Dispersion of the Halogens, Halogen Acids, Ozone, Steam Oxides of Nitrogen, and Ammonia", Philosophical Transactions of the Royal Society A, "Precursor Era Contributors to Meteorology", "The History of Ozone: The Schönbein Period, 1839–1868", Comptes rendus de l'Académie des sciences, "The science behind that fresh seaside smell", "Clinic of the Month: Dr. McKendrick on Ozone", "THE HISTORY OF OZONE. This page was last edited on 28 January 2021, at 11:27. Inhaled ozone causes inflammation and acute -but reversible- changes in lung function, as well as airway hyperresponsiveness. À température ambiante, l’ozone — de formule O3 et parfois appelé trioxygène — est un gaz dont les molécules de composent de trois atomes d’oxygène. Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere (the ozone layer), and a much larger springtime decrease in stratospheric ozone around Earth's polar regions. The severity of injury depends on both by the concentration of ozone and the duration of exposure. There are additional absorption bands in the far UV, which increase slowly from 200 nm down to reaching a maximum at ~120 nm. O It is often desirable to contain the ozone. K This makes UV generators impractical for use in situations that deal with rapidly moving air or water streams (in-duct air sterilization, for example). Temperature and humidity play a large role in how much ozone is being produced using traditional generation methods (such as corona discharge and ultraviolet light). The other side of the power source should be connected to another piece of foil wrapped around the outer tube. The regime of applied concentrations ranges from 1% to 5% (in air) and from 6% to 14% (in oxygen) for older generation methods. [73], Multiple studies have been conducted to determine the mechanism behind ozone's harmful effects, particularly in the lungs. Ozone est une société du groupe Nomo Tech qui fournit des solutions internet aux collectivités locales et aux particuliers depuis 2003 via la fibre, le Très Haut Débit Radio et le satellite. [138] It is often used in conjunction with oxygen and hydrogen peroxide to eliminate the need for chlorine-containing compounds in the manufacture of high-quality, white paper. Such materials can be protected by adding antiozonants, such as waxes, which bond to the surface to create a protective film or blend with the material and provide long term protection. En règle générale, la production d'ozone s'effectue par la production de décharges électriques à haute tension dans l'air ou l'oxygène. [108], When inhaled, ozone reacts with compounds lining the lungs to form specific, cholesterol-derived metabolites that are thought to facilitate the build-up and pathogenesis of atherosclerotic plaques (a form of heart disease). Use of an air dryer can reduce or eliminate nitric acid formation by removing water vapor and increase ozone production. KO3, RbO3, and CsO3 can be prepared from their respective superoxides: Although KO3 can be formed as above, it can also be formed from potassium hydroxide and ozone:[36], NaO3 and LiO3 must be prepared by action of CsO3 in liquid NH3 on an ion exchange resin containing Na+ or Li+ ions:[37], A solution of calcium in ammonia reacts with ozone to give ammonium ozonide and not calcium ozonide:[33]. All of the bands are dissociative, meaning that the molecule falls apart to O + O2 after absorbing a photon. Ozone Hyperlink V2 . Premier fournisseur d'accès multi-technologies en France et leader de l'internet sans fil, Ozone vous propose une solution en tout point. [83], Chronic ozone has detrimental effects on children, especially those with asthma. Alors que l’on mettait au point diverses techniques pour remplacer les SAO, il est apparu que certaines mesures visant à ralentir la déperdition d’ozone, en particulier le recours aux HFC et aux PFC, avaient une incidence sur le réchauffement de la planète. 1 Quel que soit votre emplacement géographique, Ozone vous connecte au meilleur de l'internet. ] What are the main health hazards associated with breathing in ozone? O 3 - Ozone Structure bent, class AX 2 E Point group C 2v 2v In recent years their innovation seems to have taken things up a notch or two. The Sun's UV sustains the ozone layer in the stratosphere of Earth.[121]. The components of the immune system. Annex B, Section 4. ⋅ Soybean Production, Scientists Say", "Statewide Potential Crop Yield Losses From Ozone Exposure", "Statistical behavior of ozone in urban environment", "Heat in the southeastern United States: Characteristics, trends, and potential health impact", "Long-term Changes in Extreme Air Pollution Meteorology and the Implications for Air Quality", "Inequity in consumption of goods and services adds to racial–ethnic disparities in air pollution exposure", "Investigation of the influence of transport from oil and natural gas regions on elevated ozone levels in the northern Colorado front range", "Tropospheric Ozone in EU – The consolidated report", "Atmospheric Chemistry and Greenhouse Gases", NASA GODDARD HOMEPAGE FOR TROPOSPHERIC OZONE NASA Goddard Space Flight Center Code 613.3, Chemistry and Dynamics Branch, "Linking Air Quality and Human Health Effects Models: An Application to the Los Angeles Air Basin", "Association of low-level ozone and fine particles with respiratory symptoms in children with asthma", https://www.ncbi.nlm.nih.gov/books/NBK279396/, https://www.ncbi.nlm.nih.gov/books/NBK27092/, "Ambient pollution and heart rate variability", "Ambient particulate air pollution and cardiac arrhythmia in a panel of older adults in Steubenville, Ohio", "Inhalation of fine particulate air pollution and ozone causes acute arterial vasoconstriction in healthy adults", "Ambient pollution and blood pressure in cardiac rehabilitation patients", "Long-term ozone exposure and mortality in a large prospective study", "Ambient PM2. 1 Son instabilité se manifeste à l'état condensé par une tendance à l'explosion lorsque sa concentration est significative [ 2 ] . 3 [133][159] Vous connecter au meilleur du numérique partout en France, c'est notre cœur de métier. [104], Ozone can also be present in indoor air pollution, partly as a result of electronic equipment such as photocopiers. The study of ozone concentration in the atmosphere started in the 1920s. A connection has also been known to exist between the increased pollen, fungal spores, and ozone caused by thunderstorms and hospital admissions of asthma sufferers. = Although low levels of ozone have been advertised to be of some disinfectant use in residential homes, the concentration of ozone in dry air required to have a rapid, substantial effect on airborne pathogens exceeds safe levels recommended by the U.S. Occupational Safety and Health Administration and Environmental Protection Agency. ⋅ (A) What is the point group of ozone (O3)? [143][145][146][147] Advantages of ozone include high thermodynamic oxidation potential, less sensitivity to organic material and better tolerance for pH variations while retaining the ability to kill bacteria, fungi, viruses, as well as spores and cysts. [74] Neutrophils, another important cell type of the innate immune system that primarily targets bacterial pathogens,[76] are found to be present in the airways within 6 hours of exposure to high ozone levels. Ozone's effect on mid-range UV-B rays is illustrated by its effect on UV-B at 290 nm, which has a radiation intensity 350 million times as powerful at the top of the atmosphere as at the surface. [46] It is not emitted directly by car engines or by industrial operations, but formed by the reaction of sunlight on air containing hydrocarbons and nitrogen oxides that react to form ozone directly at the source of the pollution or many kilometers downwind. [125] Certain electrical equipment generate significant levels of ozone. [75][76] The cells of the innate system include phagocytes, neutrophils,[76] both thought to contribute to the mechanism of ozone pathology in the lungs, as the functioning of these cell types have been shown to change after exposure to ozone. In treated plants, the ascorbate leaf pool was decreased, while lipid peroxidation and solute leakage were significantly higher than in ozone-free controls. Grâce à notre expertise Multi-technologique, nous assurons une couverture sur tout le territoire. Haddock eggs should not be treated with high ozone level as eggs so treated did not hatch and died after 3–4 days. Saisissez le numéro de téléphone sur lequel vous souhaitez être rappelé(e), Choisissez une date et une heure de rappel, Voir les témoignages sur notre chaine youtube. Ozone gas attacks any polymer possessing olefinic or double bonds within its chain structure, such as natural rubber, nitrile rubber, and styrene-butadiene rubber. [115] Work environments where ozone is used or where it is likely to be produced should have adequate ventilation and it is prudent to have a monitor for ozone that will alarm if the concentration exceeds the OSHA PEL. éteint - L'appareil est éteint. Of course there are also other reasons that ozone levels remain high. ] Since the invention of Dielectric Barrier Discharge (DBD) plasma reactors, it has been employed for water treatment with ozone. Ozone facilitates the extraction of some heavy metals from soil using EDTA. The cause-and-effect relationship of how the ozone is created in the body and what it does is still under consideration and still subject to various interpretations, since other body chemical processes can trigger some of the same reactions. [74], The airway epithelial cells also play an important role in protecting individuals from pathogens. [148][149][150] Although, ozone has been widely accepted in Europe for decades, it is sparingly used for decontamination in the U.S due to limitations of high-power consumption, bulky installation and stigma attached with ozone toxicity. s [142][143] Despite this, with research revealing the negative impacts of common disinfectants like Chlorine with respect to toxic residuals and ineffectiveness in killing certain micro-organisms,[144] DBD plasma-based ozone decontamination is of interest in current available technologies. ] This means on a per-molecule basis, ozone in the troposphere has a radiative forcing effect roughly 1,000 times as strong as carbon dioxide. The following mechanism allows to explain the rate law of the ozone decomposition observed experimentally, and also it allows to determine the reaction orders with respect to ozone and oxygen, with which the overall reaction order will be determined. Applied voltage is usually inversely related to the applied frequency. [71][72] Acute and chronic exposure to ozone has been shown to cause an increased risk of respiratory infections, due to the following mechanism. If nitrite levels in the water are high, nitrites will also accumulate in the blood and tissues of fish, where it interferes with oxygen transport (it causes oxidation of the heme-group of haemoglobin from ferrous (Fe2+) to ferric (Fe3+), making haemoglobin unable to bind O2). O Ozone 10028-15-6 233-069-2 OZONE-Cette substance doit être étiquetée conformément au règlement (CE) n° 1272/2008 dit "règlement CLP".