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Hydrogen Detector Environmental impact and health effects of hydrogen Hydrogen, the first element of the periodic table, is a colorless, odorless and tasteless, formed by diatomic molecules, in normal conditions. The hydrogen atom is formed by a nucleus of unit positive charge and an electron. This is one of the main compounds of water and all organic matter, and it is widely spread not only in land but in the entire Universe. There are three isotopes of hydrogen: protium, mass 1, present in over 99 985% of the natural element, deuterium, mass 2, found in nature in about 0.015%, and tritium, mass 3 that appears in small amounts in nature but can be artificially produced by various nuclear reactions. Â Hydrogen forms 0.15% of the earth's crust and is the main constituent of water. 0.5 ppm H2 Hydrogen and varying amounts of water vapor are present in the atmosphere. Hydrogen is also an important component of biomass, constituting 14% by weight. Hydrogen is found naturally in the atmosphere. The gas will dissipate rapidly in well ventilated areas. Any effect of hydrogen on plants or animals would be related to oxygen-poor environments. No adverse effect is expected to occur to plant life, except products of the gel in the presence of gas in rapid expansion. No evidence is currently available on the effect of hydrogen on aquatic life. Hydrogen is the most flammable of all known substances. It is slightly soluble in organic solvents than in water. Many metals absorb hydrogen. Hydrogen absorption by steel may result in steel brittle, which leads to defects in the equipment of chemical processes. At room temperature hydrogen is a substance which is not very responsive, unless it has been activated in some way, for example, by a suitable catalyst. At high temperature, it is very reactive. Although in general it is diatomic, molecular hydrogen dissociates into free atoms at high temperatures. Atomic hydrogen is a powerful reducing agent, even at room temperature. It reacts with the oxides and chlorides of many metals to produce metal free. It reduces some salt into their metallic state and reacts with a number of elements, both metals and nonmetals to produce their hydrides. The atomic hydrogen reacts with organic compounds to form a complex mixture of products. The heat released when hydrogen atoms recombine to form molecules of hydrogen is used to obtain high temperatures in the atomic hydrogen welding. The most important use of hydrogen is the synthesis of ammonia. The use of hydrogen is the rapid expansion in the refinement of fuel, as the decomposition of hydrogen (hydrocracking), and the elimination of sulfur. Huge amounts of hydrogen are consumed in the catalytic hydrogenation of unsaturated vegetable oils for solid fats. Hydrogenation is used in the manufacture of organic chemicals. Huge amounts of hydrogen are used as rocket fuel, in combination with oxygen or flour, and as a rocket powered by nuclear energy. Hydrogen can be burned in internal combustion engines. Hydrogen fuel cells are looked at a way to provide energy and research is conducted on hydrogen as fuel possible future great. For example, it can be converted and electricity from bio-fuels from natural gas and diesel fuel, theoretically with no emissions of CO2 or toxic chemicals. Because hydrogen is extremely flammable, its many reactions may cause fire or explosion. As the gas mixes well with air, explosive mixtures are easily formed. In addition, the gas is lighter than air. The gas can be absorbed into the body by inhalation and by high concentrations can cause a low oxygen environment. Individuals breathing such an atmosphere may experience symptoms that include headaches, ringing in the ears, dizziness, drowsiness, unconsciousness, Nause. Posted on July 27, 2010.
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