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Cadmium is a naturally occurring toxic heavy metal with common exposure in industrial workplaces, plant soils, and from smoking. Due to its low permissible exposure in humans, overexposure may occur even in situations where trace quantities of cadmium are found. Cadmium is used extensively in electroplating, although the nature of the operation does not generally lead to overexposure.
188.8.131.52 Nickel cadmium (Ni-Cd) In a nickel-cadmium battery, the positive electrode consists of nickel oxyhydroxide as the active material, the negative electrode contains metallic cadmium, and the electrode separator is a nylon divider.
Cadmium occurs naturally in zinc, in lead and copper ores, in coal and other fossil fuels, in shales and is released during volcanic action. These deposits can serve as sources to ground and surface waters, especially when in contact with low total dissolved solids (TDS) and acidic waters. Cadmium has the chronic potential to cause kidney, liver, bone and blood damage from long- term exposure ...
Chemical element, Cadmium, information from authoritative sources. Look up properties, history, uses, and more.
cadmium raised the risk of cancer, and harmed liver and kidney function. Significant exposure to cadmium during pregnancy may affect the development of the fetus or result in low birth weight. In men, cadmium exposure may affect sperm maturation, and build up …
Cadmium (Cd) has an atomic mass of 48. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.
Cadmium has a low melting temperature and tarnishes in moist air; it is ductile and very malleable. Cadmium has a very high neutron absorbing cross-section and as a result is used for neutron shielding in the nuclear industry. Hazard: Cadmium is toxic, especially by inhalation of dust or fume.
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Sampling time is not critical for industrial exposure monitoring. Metals with timing “not critical” have very long elimination half-lives and accumulate in the body over years, some for a lifetime.
↑Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights ↑ Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds".
Learn about cadmium, which may raise your risk of lung cancer. Cadmium is a natural element: all soils and rocks contain some cadmium. Exposure occurs mostly where cadmium products (such as batteries, pigments, metal coatings, and plastics) are made or recycled. Tobacco smoke also contains cadmium.
Cadmium (Cd) is a soft, malleable, bluish white metal found in zinc ores, and to a much lesser extent, in the cadmium mineral greenockite. Most of the cadmium produced today is obtained from zinc byproducts and recovered from spent nickel-cadmium batteries.
Naturally occurring cadmium (48 Cd) is composed of 8 isotopes.For two of them, natural radioactivity was observed, and three others are predicted to be radioactive but their decays were never observed, due to extremely long half-lives.The two natural radioactive isotopes are 113 Cd (beta decay, half-life is 8.04 × 10 15 years) and 116 Cd (two-neutrino double beta decay, half-life is 2.8 × 10 ...
Dec 10, 2013· The best screening and diagnostic test for chronic cadmium exposure is a 24-hour urinary cadmium level, normalized to creatinine excretion. Urinary metallothionein and β 2 -microglobulin excretion can be correlated with long-term cadmium exposure.
Based on the 1970 recommended cadmium (Cd) standard of the American National Standards Institute (ANSI), 1 the Occupational Safety and Health Administration (OSHA) promulgated a standard for cadmium which set permissible exposure limits for cadmium fume (as Cd) of 100 micrograms of cadmium per cubic meter of air (µg/m 3) determined as an 8 ...
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Properties Physical properties. Cadmium is a blue-gray soft metal.It can be considered a transition metal or a post-transition metal.It is malleable and ductile.It is similar to zinc.It melts at 321°C. Cadmium has 8 natural isotopes. 5 are radioactive, but 3 have very long half-lives so their radioactivity is almost nothing.. Chemical properties. Cadmium is a moderately reactive metal.
Jun 08, 2019· Certain five heavy metals viz. arsenic (As), cadmium (Cd), chromium (Cr)(VI), mercury (Hg), and lead (Pb) are non-threshold toxins and can exert toxic effects at very low concentrations. These heavy metals are known as most problematic heavy metals and as toxic heavy metals (THMs).
Cadmium occurs as a minor component in most zinc ores and therefore is a byproduct of zinc production. Cadmium was used for a long time as a corrosion-resistant plating on steel and cadmium compounds are used as red, orange and yellow pigments, to colour glass and to stabilize plastic.
Oct 17, 2019· The resultant diatomic cadmium ion, Cd 2 2+ (where cadmium is in the +1 oxidation state), is unstable in water and immediately disproportionates to cadmium metal and Cd 2+. The most important cadmium compound is cadmium oxide, CdO.
Cadmium (Cd) is a very soft, silvery-white metallic element that can be cut with a knife. Cadmium has many chemical similarities to zinc and is often recovered from the primary zinc ore sphalerite. The single most important use of cadmium is in the production of nickel-cadmium (Ni-Cad) batteries.
Cadmium (Cd) Strong Lines of Cadmium ( Cd ) Intensity Wavelength (Å) Spectrum Ref. Vacuum 200 1514.26 Cd II SP49 200 1571.58 Cd II SP49 300 1922.23 Cd II SP49 200 1995.43 Cd II SP49 Air 1000 P,r 2144.408 Cd II SP49 ...
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Cadmium (Cd) is a resource. It can be found on planets orbiting Class M system . Game description [edit | edit source] A chromatic metal, generated by fusion in the heart of a star. Such stellar material ends up forming deposits in the crust of local planets. Cadmium ...
Cadmium is a chemical element with symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it prefersoxidation state +2 in most of its compounds and like mercury it shows a low melting point compared to transition metals.
Oct 17, 2019· Cadmium (Cd), chemical element, a metal of Group 12 (IIb, or zinc group) of the periodic table. atomic number 48 atomic weight 112.40 melting point 321 °C (610 °F) boiling point 765 °C (1,409 °F) specific gravity 8.65 at 20 °C (68 °F) oxidation state +2 electron configuration [Kr]4d105s2
Cadmium metal (Cd) is a silver-white solid, tinged with blue. Cadmium is found in cadmium fumes (CdO) and cadmium compounds. Workers may be harmed from exposure to cadmium. It is a highly toxic carcinogenic that is harmful to most of the body’s systems, especially to the lungs, bones, and kidneys. The level of exposure depends upon the dose ...
Cadmium is an element with atomic symbol Cd, atomic number 48, and atomic weight 112.4. Cadmium is a trace element and transitional metal that is not believed to play a role in higher biologic systems or in human nutrition. Cadmium deficiency has not been convincingly shown in humans.
Cadmium is a chemical element wi the seembol Cd an atomic nummer 48. This saft, bluish-white metal is chemically seemilar tae the twa ither stable metals in group 12, zinc an mercur. Lik zinc, it prefers oxidation state +2 in maist o its compoonds an lik mercur it shaws a law meltin pynt compared tae transeetion metals.
Cadmium administered as cadmium salts or chelates accumulates preferentially in the liver after acute exposure. On the other hand, when administered as Cd-thionein, the metal accumulates primarily in the kidney. The biochemical effects of cadmium are wide and varied.
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cadmium for non-smokers. Highest cadmium levels are found in the kidney and liver of mammals fed with cadmium-rich diets and in certain species of oysters, scallops, mussels and crustaceans. Lower cadmium concentrations are found in vegetables, cereals and starchy roots.