The presence of sulfuric acid rain earth containing sulfuric acid, water, acid rain sulfur dioxide (SO2) in the atmosphere to produce sulfurous acid (H2SO3), sulfurous acid has been oxidized by oxygen in the atmosphere to form sulfuric acid plant in Guangdong, with the rain falling sulfuric acid plant in Tianjin to the ground, causing the formation of acidic soils. Improved acid soil is usually neutralized with an alkaline substance. In nature, many sulfur-containing minerals, such as iron sulfide after the oxidation reaction to form sulfuric acid, the liquid formed is highly acidic, the metal residues can be oxidized, releasing toxic gases. Venus sulfuric acid can be found in the upper atmosphere of Venus. This mainly comes from the photochemical sun on sulfur dioxide, carbon dioxide and water. Wavelengths shorter than 160nm ultraviolet photons can photolysis of carbon dioxide, carbon monoxide and atomic oxygen so that it changes. Atomic oxygen is very active within the chain, it reacts with sulfur dioxide into sulfur trioxide. Further sulfur trioxide reacts with water to produce sulfuric acid release. Sulfuric acid in the atmosphere of Venus is higher colder liquid, this layer thick, about 45 to 70 kilometers away from the surface of the planet sulfuric acid cloud cover the entire surface of the planet. This layer of the atmosphere continue to release acid rain. Venus, the formation of sulfuric acid in the continuous cycle. When higher from the atmosphere cooler regions fell to a lower sulfuric acid is evaporated in hot areas, the water content and the concentration of less is more and more high. When the temperature reaches 300 ℃, sulfuric acid begins to decompose to sulfur trioxide and sulfuric acid plant Hebei water, the product are gas. Trioxide very active and decomposition of sulfur dioxide and atomic oxygen, atomic oxygen then oxidation of carbon monoxide to make it into carbon dioxide, sulfur dioxide and water will rise from the middle to the upper atmosphere, they react with sulfuric acid to re-release the whole process once again cycle. Europa by the Galileo spacecraft images show came, sulfuric acid may also appear in one of the satellites of Jupiter - Europa, but the details still controversial. Because we are professional so we do better quality at reasonable prices faith-based quality assurance identification method. Concentrated sulfuric acid is greater than the weight sulfuric acid density (98% concentrated sulfuric acid density of 1.84g / mL), it is at the same volume, the weight is concentrated sulfuric acid. 2. Viscosity measurement of concentrated sulfuric acid is a viscous liquid, and sulfuric acid is close to the viscosity of water, so shake the reagent bottle to pick up a few times, you can see which is concentrated sulfuric acid, liquid relatively little in a test tube full of desirable oscillation. 3. Boiling point method is a high-boiling sulfuric acid, 98% concentrated sulfuric acid boiling point of 338 ℃, it is preferable to a little heated in a test tube, the first boiling and there is a lot of water vapor produced by dilute sulfuric acid, careful not to inhale the steam, because there will be a small amount of acid liquid with distilled water. Hard boiling is concentrated sulfuric acid. 4. Dilution of concentrated sulfuric acid dissolved in the water emit a lot of heat, you can add 10mL water in a small beaker, slowly add acid along the beaker wall (must not adding water to the acid), emitted when a large amount of heat is dissolved in concentrated sulfuric acid. 5. Almandine method was to take a little test tube, wire or aluminum, no phenomenon is concentrated sulfuric acid, sulfuric acid bubbles are appearing. 6. Copper carbon law were taken two test tubes, after the addition of copper or charcoal, then were added to the acid and then heated, can produce irritating gases are concentrated sulfuric acid. Irritating gases is sulfur dioxide. 7. Vitriol law were taken two test tubes, add a little vitriol, then were added to the acid crystals are dissolved in dilute sulfuric acid solution becomes blue, crystal surface becomes white is concentrated sulfuric acid. 8. Cellulose method was used in two with a glass rod dipped in acid on a paper or wood or cloth painting marks a period of time, the surface is blackened carbonization dehydration of concentrated sulfuric acid. 9. France added sugar in a small beaker of about 10g sugar, dropped 1mL water, then adding the acid, can produce sucrose dehydration carbonization "black bread" is concentrated sulfuric acid. This reaction is exothermic with concentrated sulfuric acid and water react promote sulfuric acid plant, water as a catalyst. 10. Concentrated sulfuric acid when exposed is absorbent, open-period of time, increase the quality of concentrated sulfuric acid, sulfuric acid may be due to the quality of water evaporation to reduce the sulfuric acid plant in Shandong Chemical _ _ Zhengzhou Long sulfuric acid plant by the Zhengzhou Longda Chemical Products Co., Ltd. provided. Zhengzhou Longda Chemical Products Co., Ltd. (www.longdahuagong.com/) is a leader in Zhengzhou, Henan Province, chemical reagents, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Zhengzhou Longda Chemical leadership with the staff warmly welcome all inquiries negotiations to create the Zhengzhou Longda Chemical better future.