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*  Air Pollution Index
There are hourly, 24-hour and annual targets for sulfur dioxide and nitrogen dioxide, and 24-hour and annual targets for ... The World Health Organisation revised its air quality guideline levels of sulfur dioxide, nitrogen dioxide and ozone in 2006 in ... The AQI level was based on the level of 5 atmospheric pollutants, namely sulfur dioxide (SO2), nitrogen dioxide (NO2), ... The API was based on the level of 6 atmospheric pollutants, namely sulphur dioxide (SO2), nitrogen dioxide (NO2), respirable ...
*  Sulfur assimilation
The foliar uptake of sulfur dioxide is generally directly dependent on the degree of opening of the stomates, since the ... Cysteine is sulfur donor for the synthesis of methionine, the major other sulfur-containing amino acid present in plants. This ... Sulfur gases are potentially phytotoxic, however, they may also be metabolized and used as sulfur source and even be beneficial ... Sulfur compounds are also of great importance for food quality and for the production of phyto-pharmaceutics. Sulfur deficiency ...
*  Air pollution in the United States
Bin Zou, Fen Peng, Neng Wan, J. Gaines Wilson, Ying Xiong (2014). "Sulfur dioxide exposure and environmental justice: a multi- ... Carbon monoxide, oxides of nitrogen, sulfur dioxide, ozone, lead, and particulate matter are also associated with increased ... Burning coal produces air pollutants such as nitrogen oxides (NOX), sulfur dioxide (SO2), particulate matter (PMX), Black ... The Clean Power Plan is a policy designed by the Obama Administration to lower the levels of carbon dioxide emitted by power ...
*  Air pollution sensor
... sulfur dioxide, and nitrous oxide. The sensors were very expensive in the past, but with technological advancements these ...
*  Air pollution in India
A decreasing trend has been observed in sulphur dioxide levels in residential areas of many cities such as Delhi, Mumbai, ... The decreasing trend in sulphur dioxide levels may be due to recently introduced clean fuel standards, and the increasing use ... The decreasing trend in sulphur dioxide levels may be due to recently introduced vehicle emission standards, and the increasing ... The higher sulfur level of kerosene is another issue. The permissible level of fuel sulfur in India, in 2002, was 0.25 percent ...
*  Flue-gas desulfurization
The action of the electron beam is to promote the oxidation of sulfur dioxide to sulfur(VI) compounds. The ammonia reacts with ... When fossil fuels are burned, about 95 percent or more of the sulfur is generally converted to sulfur dioxide (SO 2). Such ... Methods of removing sulfur dioxide from boiler and furnace exhaust gases have been studied for over 150 years. Early ideas for ... Generally, about 1% of the sulfur dioxide will be converted to SO 3. Sulfuric acid mist is often the cause of the blue haze ...
*  Allotropes of sulfur
... produced by reacting elemental sulfur with excess iodine in liquid sulfur dioxide.[citation needed] The [S2I4]2+ cation has an ... It sometimes called "white sulfur of Das" or supersublimated sulfur. It is a mixture of ψ-sulfur and lamina sulfur. The ... It is called ρ-sulfur, ε-sulfur, Engel's sulfur and Aten's sulfur. Another method of preparation involves reacting a ... This form, also called fibrous sulfur or ω1-sulfur, has been well characterized. It has a density of 2.01 g·cm−3 (α-sulfur ...
*  Particulates
J.R. Balmes, J.M. Fine, D. Sheppard Symptomatic bronchoconstriction after short-term inhalation of sulfur dioxide Am. Rev. ... The composition of particulate matter that generally causes visual effects such as smog consists of sulfur dioxide, nitrogen ... The resulting air pollution is characterized by raised sulphur dioxide and nitrogen oxide levels and very high concentrations ... The particles are hygroscopic due to the presence of sulfur, and SO2 is converted to sulfate when high humidity and low ...
*  Air Pollution in Canada
... sulfur dioxide, carbon monoxide, carbon dioxide and polycyclic aromatic hydrocarbons. Benzene is also a contributor of air ... The most recent report has revealed that Canada has continuously reduced its emissions of sulphur dioxide (SO2) in the past 20 ... The provincial government created two pieces of legislation the Industry emissions Nitrogen Oxides and Sulphur Dioxide and the ... Many of the main contributors of air pollution that increase the risk of Leukemia in adults include nitrogen dioxide, ...
*  Calcium bisulfite
... essentially a mixture of sulfur dioxide and water. It is a weak reducing agent, as is sulfur dioxide, sulfites, and any other ... compound containing sulfur in the +4 oxidation state. As a food additive it is used as a preservative under the E number E227. ...
*  List of large volume volcanic eruptions in the Basin and Range Province
Ward, Peter L. (2 April 2009). "Sulfur Dioxide Initiates Global Climate Change in Four Ways" (PDF). Thin Solid Films. 517 (11 ...
*  Sulfur dioxide
Most sulfur dioxide is produced by the combustion of elemental sulfur. Some sulfur dioxide is also produced by roasting pyrite ... Sulfur dioxide for this purpose is made when sulfur combines with oxygen. The method of converting sulfur dioxide to sulfuric ... Play media Sulfur dioxide is the product of the burning of sulfur or of burning materials that contain sulfur: S + O2 → SO2, ΔH ... Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO 2. At standard atmosphere, it is a toxic gas ...
*  Metal sulfur dioxide complex
... es are complexes that contain sulfur dioxide, SO2, bonded to a transition metal. Such compounds are ... Sulfur dioxide forms complexes with many transition metals. For the most stable complex the metal is in oxidation state 0 or +1 ... Sulfur Dioxide and Other Molecules". In Stone, F. G. A.; West, R. Advances in Organometallic Chemistry. 12. pp. 31-81. doi: ... The main reaction of sulfur dioxide promoted by transition metals is its reduction by hydrogen sulfide. Known as the Claus ...
*  Coleson Cove Generating Station
"Sulfur dioxide". Retrieved 2008-09-14. Clean Energy Coalition of New Brunswick. "Action Alert". Retrieved 2008-09-14. PDVSA had ... In 1994, Coleson Cove was responsible for discharging 40,500 tonnes of sulphur dioxide (SO2), increasing to 61,000 tonnes of ...
*  Electricity generation
"Sulfur Dioxide". US Environmental Protection Agency. "AirData". US Environmental Protection Agency. "Early day motion 2061". UK ... of all emissions of sulfur dioxide, the main component of acid rain. Electricity generation is the fourth highest combined ... Transportation emissions are close behind, contributing about one-third of U.S. production of carbon dioxide. In the United ...
*  Health in Zimbabwe
The release of sulfur dioxide is harmful to the life of humans and other organisms. The inhaling of sulfur dioxide leads to ... "ATSDR - Public Health Statement: Sulfur Dioxide". www.atsdr.cdc.gov. "Sulfur Dioxide". "Acid Rain" "Acid Rain". 9 October 2009 ... The World Health Organization has set up a limit for the emission of sulfur dioxide to 20 μg/m3 24-hour mean. In Harare, ... Hence, it can be concluded that the inhaling of sulfur dioxide is tremendously detrimental to the life of organisms. Not to ...
*  Wellman-Lord process
... and sodium pyrosulfite is converted to a concentrated stream of sulfur dioxide and sodium sulfite. The sulfur dioxide can be ... Recent Experience of the Wellman-Lord Sulfur Dioxide Recovery Process". In John B. Pfeiffer. Sulfur Removal and Recovery from ... In this process, sulfur dioxide from flue gas is absorbed in a sodium sulfite solution in water forming sodium bisulfite; other ... The Wellman-Lord process is a regenerable process to remove sulfur dioxide from flue gas (flue-gas desulfurization) without ...
*  1966 New York City smog
Sulfur dioxide levels rose. Smoke shade, a measure of visibility interference in the atmosphere, was two to three times higher ... The levels were 0.7 ppm for sulfur dioxide, 10 ppm for carbon monoxide, and 7.5 ppm for smoke. In a first-stage alert, the city ... A third-stage alert would be reached if all three pollutants passed a "lethal" threshold for one hour-sulfur dioxide at 2 ppm, ... By 1972, New York City had cut levels of sulfur dioxide and particulates by half from their peak. According to an article ...
*  Total Ozone Mapping Spectrometer
Mount Pinatubo 1991 sulfur dioxide. Sulfur dioxide emissions from volcanoes.. ...
*  Air pollution in Germany
Sulfur oxides (SOx) - Particularly sulfur dioxide. Produced by the combustion of coal and petroleum. Nitrogen oxides (NOx) - ... For sulphur dioxide and volatile organic compounds it is sufficient to apply the measures already adopted and implemented in ... kind of air pollution and results from large amounts of coal burning in an area caused by a mixture of smoke and sulfur dioxide ... The major primary pollutants produced by human activity include: Carbon dioxide (CO2) - The most emitted form of human caused ...
*  Tetranitratoborate
It reacts with liquid sulfur dioxide. At room temperature tetramethyl ammonium nitratoborate is stable for months. It does not ...
*  South Atlantic Quarantine Station
The main disinfectant used was sulfur dioxide. https://www.cdc.gov/quarantine/quarantinestations.html http://www.fws.gov/ ...
*  Banksia menziesii
It is also sensitive to sulfur dioxide. A 1994 study by Byron Lamont and colleagues from Curtin University found that Banksia ...
*  Lithium cyanide
"Evaluation of Lithium Sulfur Dioxide Batteries" (PDF). U.S. Army Communications - Electronics Command and U.S. Army Electronics ... Likely, the most obtainable source[clarification needed] of lithium cyanide are lithium sulfur dioxide batteries, where the ... "Regulatory status of spent and/or discarded lithium-sulfur dioxide (Li/S02) batteries". United States Environmental Protection ... If LiCN is heated in fire carbon dioxide CO2, nitrogen oxides NOx, and lithium oxide will form. Li + R-CN → LiCN Li + HCN( ...
*  Palo Verde Nuclear Generating Station
... more than 253,000 tonnes of sulfur dioxide; and 618,000 tonnes of nitrogen oxide. The company noted, "If Palo Verde were to ... generation operations to date at Palo Verde have offset the emission of almost 484 million metric tonnes of carbon dioxide (the ...
*  List of food additives
Sulfur dioxide - preservative, antioxidant Sulfuric acid - acidity regulator Sumac - Sunflower oil - a common cooking oil, also ... Sesame seed - Shellac - glazing agent Silicon dioxide - anti-caking agent Silver - color (silver) Luohanguo Sodium acetate - ... Carbon dioxide - acidity regulator, propellant Cardamom - carmines - color (red) Carmoisine - color (red) (FDA: Ext D&C Red #10 ... Chlorine dioxide - flour treatment agent Chlorine - flour treatment agent Chlorophylls and Chlorophyllins - color (green) ...
*  Sulfite
3 thiosulfate ion SO2 sulfur dioxide SO3 sulfur trioxide (a sulfate precursor) Category:Sulfites for a list of sulfites. Grant ... Sulfur dioxide (SO2) protects wine from not only oxidation, but also from bacteria. Without sulfites, grape juice would quickly ... Preservative: Sulfur Dioxide and Sulfites Arora, Harish; Kaur, Rajdeep (April 2008). "The role of diet in migraine headaches" ( ... They may come in various forms, such as: Sulfur dioxide, which is not a sulfite, but a closely related chemical oxide Potassium ...