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Facts about Zinc

Zinc

Zinc is found in oysters, and, to a far lesser degree, in most animal proteins, beans, nuts, whole grains, pumpkin seeds, and sunflower seeds.

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Eyesight, taste, smell, and memory are also connected with zinc and a deficiency in zinc can cause malfunctions of these organs and functions.

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Zinc salts are effective against pathogens in direct application.

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Zinc toxicity, mostly in the form of the ingestion of U.S. pennies minted after 1982, is commonly fatal in dogs where it causes severe hemolytic anemia (Stowe, et al.

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Zinc deficiency results from inadequate intake or absorption of zinc into the body.

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Consequently, the true nature of zinc was not understood in ancient times.

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Swallowing an American one-cent piece (98 percent zinc) can damage the stomach lining due to the high solubility of zinc ions in the acidic stomach (Bothwell and Mair, 2003).

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The Berne zinc tablet is a votive plaque dating to Roman Gaul, probably made from such zinc remnants.

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Zinc salts are used in medications that treat skin rashes, relieve coughs, and fight disease-causing microbes.

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Zinc cathodes can be directly cast or alloyed with aluminum.

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The one common oxidation state of zinc is +2.

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Various cells in the human body secrete zinc ions, and the proper functioning of many proteins depends on zinc ions.

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Phytates (salts of phytic acid), which are found in whole grain breads, cereals, legumes and other products, have been known to decrease zinc absorption.

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Zinc and its alloys have a number of applications, some of which are given below.

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Roughly one quarter of all zinc output is consumed in the form of zinc compounds.

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Zinc (chemical symbol Zn, atomic number 30) is a bluish-white metal that is found in ores in many parts of the world.

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The most heavily mined ores (particularly sphalerite) tend to contain roughly 10 percent iron as well as 40-50 percent zinc.

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Obtaining a sufficient zinc intake during pregnancy and in young children is a real problem, especially among those who cannot afford a good and varied diet.

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The zinc oxides in calamine were reduced, and the free zinc metal was trapped by the copper, forming an alloy.

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have been found in Israel, and zinc objects with 87 percent zinc have been found in prehistoric Transylvania.

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Brain development is stunted by zinc insufficiency in utero and in youth.

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The discovery of pure metallic zinc is most often credited to the German Andreas Marggraf, in the year 1746, but the whole story is under dispute.

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Congenital abnormalities causing Zinc deficiency may lead to a disease called Acrodermatitis enteropathica.

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Minerals from which zinc is extracted include sphalerite (zinc sulfide), smithsonite (zinc carbonate), hemimorphite (zinc silicate), and franklinite (a zinc spinel).

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Zinc oxide is a base for white paints and is also used to protect against sunburn and diaper rash.

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Zinc is the twenty-third most abundant element in the Earth's crust.

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The zinc oxide is leached in several stages of increasingly stronger sulfuric acid.

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Intriguingly, brain cells in the mammalian forebrain are one type of cell that secretes zinc, along with its other neuronal messenger substances.

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Smelting and extraction of impure forms of zinc was being accomplished as early as 1000 C.E.

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Significant dietary intake of zinc has recently been shown to impede the onset of flu.

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Zinc

Given the low boiling point and high chemical reactivity of this metal, isolated zinc tends to go up the chimney rather than be captured.

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Signs of zinc deficiency includes hair loss, skin lesions, diarrhea, wasting of body tissues, and, eventually, death.

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Zinc sulfide (sphalerite) minerals are concentrated using the "froth flotation" method and then usually roasted using "pyrometallurgy" to oxidize the zinc sulfide to zinc oxide.

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Zinc does not fit this definition because its atoms and ions contain electrons that completely fill the d orbitals.

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Soil conservation techniques analyze the vegetative uptake of naturally occurring zinc in many soil types.

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The production of zinc metal was very common in ancient India.

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Over a dozen types of cells in the human body secrete zinc ions, and the roles of these secreted zinc signals in health and medicine are now being actively studied.

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Zinc (from German zink) is a metallic element that is placed in period 4 and group 12 (former group 2B) of the periodic table.

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The final purification uses zinc dust to remove copper, cadmium, and cobalt.

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The direct effect of zinc (as in lozenges) on bacteria and viruses is also well established, and it has been used as palliative salves in zinc salts since at least 2000 B.C.E.

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Zinc is thought to be an antioxidant, offering protection against premature aging of the skin and muscles.

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Libavius named it "Indian / Malabar lead," and Paracelsus (1616) was credited with giving the name zinc.

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Calamine was the mineral source of zinc metal until the development of the zinc sulfide flotation technique, noted below.

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Ignorance of the value of this metal can be gauged from the fact that until 1751, Postlewayt's Universal Dictionary (the most authentic source of all technological information in Europe) did not mention anything about zinc.

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Other cells that secrete zinc include those in the salivary gland, prostate, immune system, and intestine.

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The manufacture of brass was known to the Romans by about 30 B.C.E., using a technique where calamine (a zinc ore) and copper were heated together in a crucible.

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The chloride of zinc is a deodorant, and the sulfide is used in luminescent paints.

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Naturally occurring zinc is composed of five stable isotopes: 64Zn, 66Zn, 67Zn, 68Zn, and 70Zn.

The following are some of the health benefits of zinc:1) Zinc and regulating immune function. ... 2) Zinc for treating diarrhea. ... 3) Zinc effects on learning and memory. ... 4) Zinc to treat the common cold. ... 5) Zinc's role in wound healing. ... 6) Zinc and decreased risk of age-related chronic disease.More items...

Metallic zinc is also used to make dry cell batteries, roof cladding and die castings. Zinc is used to make many useful alloys. Brass, an alloy of zinc that contains between 55% and 95% copper, is probably the best known zinc alloy.

Zinc deficiency is characterized by growth retardation, loss of appetite, and impaired immune function. In more severe cases, zinc deficiency causes hair loss, diarrhea, delayed sexual maturation, impotence, hypogonadism in males, and eye and skin lesions [2,8,24,25].Feb 11, 2016

Physical Properties: Zinc is a bluish-white, lustrous metal. It is brittle at ambient temperatures but is malleable at 100 to 150°C. It is a reasonable conductor of electricity. The density of zinc is 7.140 g/mL, which means the metal will sink in water and is relatively heavy.

Zinc is also used in alloys such as brass, nickel silver and aluminium solder. Zinc oxide is widely used in the manufacture of very many products such as paints, rubber, cosmetics, pharmaceuticals, plastics, inks, soaps, batteries, textiles and electrical equipment.

It is a member of the metal group, but is a vital nutrient in both plants and animals. Interesting Zinc Facts: Zinc is the 24th most common element in the planet's crust. It makes up approximately seventy-five parts per million, or .0075%, of the Earth's crust.

Zinc is used for treatment and prevention of zinc deficiency and its consequences, including stunted growth and acute diarrhea in children, and slow wound healing. It is also used for boosting the immune system, treating the common cold and recurrent ear infections, and preventing lower respiratory infections.

Zinc toxicity. Zinc toxicity is a medical condition involving an overdose on, or toxic overexposure to, zinc. Such toxicity levels have been seen to occur at ingestion of greater than 225 mg of zinc. Excessive absorption of zinc can suppress copper and iron absorption.

Inhaling large amounts of zinc (as zinc dust or fumes from smelting or welding) can cause a specific short-term disease called metal fume fever, which is generally reversible once exposure to zinc ceases. However, very little is known about the long-term effects of breathing zinc dust or fumes.

Low levels of zinc can be the cause for a variety of health-related problems. Zinc is a key mineral that cells use to metabolize nutrients. Immune function, DNA and protein production, and cell division are all related to zinc levels in the body. Zinc also enables the male body to produce testosterone.Mar 9, 2016

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