It is commonly used in gold amalgamation. Mercury can be rightly considered as one of the elements with most ancient existence, and its discovery dates back to around 1500 B.C . It is characterized as a heavy, silvery-white metallic liquid at room temperature that is odorless. Deep within the cooling layers of rock, water rises on its way toward the surface. The prominent Chinese alchemist Ge Hong or Ko Hung (283 -343 C.E. It can change very quickly. Mercury Element Facts. It is commonly known as quicksilver and was formerly named hydrargyrum. Discovery and History. These regimens would often continue for … It contracts or becomes smaller at low temperatures. In 2 nd century China, the study of mercury centered on a search for an elixir of life to confer longevity or immortality. Mercury also used to be used as a component for dental amalgams for making fillings for teeth. Mercury has many uses and is a very important element. Small mercury spills can be treated with powdered sulfur. Its common name is “quicksilver”. Mercury has been used through-out history in many interesting ways, sometimes with disastrous effect. Compounds of mercury tend to be much more toxic than the element itself, and organic compounds of mercury (e.g., dimethyl-mercury) are often extremely toxic and may be responsible in causing brain and liver damage. On the periodic table, it has the symbol "Hg" and its atomic number is 80. Mercury is a naturally-occurring chemical element found in rock in the earth's crust, including in deposits of coal. 4 thoughts on “ History Of Mercury Use in Products and Processes ” Randall January 15, 2013 at 10:44 pm. Mercury is used in thermometers because the change in volume for each degree of rise or fall in temperature is the same. Elemental mercury was heated for steam baths, where inhalation was considered beneficial (and is a potent route of mercury absorption). It is silvery in color and is classified as a transition metal. Mercury has been used in manufacturing, as well as in dental and medical equipment, fertilizers, and pesticides. Mercury is also a chemical element. As the water rises it leaves deposits of sulfur, forming a red-colored mineral called cinnabar, or mercury sulfide. ), who lived in the 4th century, believed that man is what he eats, and so by eating gold he could attain perfection. Mercury (also quicksilver) is considered dangerous by skin absorption and inhalation of fumes. Mercury is a naturally occurring trace metalloid element and known neurotoxin with atomic symbol Hg, atomic number 80, and atomic weight 200.59. It expands or becomes larger at high temperatures. Chapter One: Mercury All Around Us Properties and Uses of Mercury Mercury is an Element Imagine, long ago, hot lava flowing down a volcano in Italy. The line between alchemy and medicine was not always clear. The element mercury is silver in colour. This process has again been phase out due to health concerns but many people still have mercury containing fillings and crematoria are thought to emit about 5kg of mercury each year simply from dental fillings. Mercury is a chemical element with symbol Hg and atomic number 80. Produced and studied for millennia, mercury's use has steadily declined since the 1980s as a result of greater attention to the negative health impacts that it has on humans and the environment. Our mercury is triple distilled, ACS instrument grade. Unfortunate the element is so fascinating to look and has some truly extraordinary uses. A major use of mercury is in electrical equipment such as fluorescent lamps, and mercury batteries. We've received many questions about mercury. Mercury and its compounds used in dental practice may be responsible for release of mercury into the oral cavity. Medical Uses of Mercury. Mercury, or 'quicksilver' as it is otherwise known, is a dense, toxic metal element that exists in liquid form at room temperature. Mercury spills need to be cleaned up immediately. Mercury is used in thermometers, mercury changes when the temperature changes. Symbol: Hg Atomic Number: 80 Atomic Weight: 200 Melting Point: -38.8 °C (-37.9 °F) Boiling Point: 356.73 °C (674 °F) Discovered by: Known since ancient times Meet the element mercury which is liquid at room temperature with an atomic number of 80.