There are seven stable isotopes of mercury, with 202 Hg being the most abundant (29.86%). The longest-lived radioisotopes are 194 Hg with a half-life of 444 years, and 203 Hg with a half-life of 46.612 days. Most of the remaining radioisotopes have half-lives that are less than a day. 199 Hg and 201 Meer weergeven Mercury is a chemical element with the symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum from the Greek words hydorcode: ell promoted to code: el (water) and … Meer weergeven "Hg" is the modern chemical symbol for mercury. It is an abbreviation of hydrargyrum, a romanized form of the ancient Greek name for mercury, ὑδράργυρος … Meer weergeven Mercury is an extremely rare element in Earth's crust, having an average crustal abundance by mass of only 0.08 parts per million (ppm). Because it does not blend geochemically with … Meer weergeven Mercury is used primarily for the manufacture of industrial chemicals or for electrical and electronic applications. It is used in some liquid-in-glass thermometers, especially those used to measure high temperatures. A still increasing amount is used as … Meer weergeven Physical properties Mercury is a heavy, silvery-white metal that is liquid at room temperature. Compared to other metals, it is a poor conductor of heat, but a fair conductor of electricity. It has a Meer weergeven The mercury compound known as cinnabar was recorded as a component of the red pigments in Paleolithic cave paintings of 30,000 years ago in Spain and France. Meer weergeven All known mercury compounds exhibit one of two positive oxidation states: I and II. Experiments have failed to unequivocally demonstrate any higher oxidation states: both the claimed 1976 electrosynthesis of an unstable Hg(III) species and 2007 cryogenic … Meer weergeven Web19 okt. 2024 · Without an atmosphere to retain that heat at night, temperatures can dip as low as -290°F (-180°C). Despite its proximity to the Sun, Mercury is not the hottest planet in our solar system – that title …
Mercury Toxicity and Treatment: A Review of the Literature
Web13 aug. 2024 · Elemental and inorganic salts are primarily excreted through the kidney and minimally through the GI tract with a total half-life of 30 to 60 days. Excretion of organic mercury compounds is primarily fecal, with … Web95 rijen · There are seven stable isotopes of mercury (80 Hg) with 202 Hg being the most … how to get shrimp smell off hands
Mercury-197 has a half-life of about 64 hours. After 288 hours, …
Web4 jun. 2024 · Urine is also the best marker of exposure for most inorganic mercury exposures; as organic mercury is excreted through the bile and feces, it is not readily detectable in the urine. 5, 24 As the half-life of elemental mercury is longer in the urine than in whole blood, urine mercury concentrations are the best indicator of long-term … WebUses. Mercury has fascinated people for millennia, as a heavy liquid metal. However, because of its toxicity, many uses of mercury are being phased out or are under review. It is now mainly used in the chemical industry as catalysts. It is also used in some electrical switches and rectifiers. Web1 okt. 2008 · The dissolved mercury vapor can oxidize to form inorganic mercuric mercury, a process that is inhibited by ethanol. Elimination is slow, with an average half-life of about 8 weeks for the body and possibly years for the brain. 3, 10 Fecal elimination predominates during the first week, with renal elimination predominating thereafter. how to get shrimp smell out of fridge