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(Gr. thallos, a green shoot or twig) Thallium was discovered spectroscopically in 1861 by Crookes. The element was named after the beautiful green spectral line, which identified the element. The metal was isolated both by Crookes and Lamy in 1862 about the same time.
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www.principalmetals.com/utilities/81.htm
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In addition to these resources, approximately 630 million kilograms of thallium is contained in coal. As with other commodities, a way of recovering thallium from coal at a reasonable cost has not yet been developed.
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www.eoearth.org/article/Thallium
www.eoearth.org/article/Thallium
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Name: Thallium ; Symbol: Tl ; Atomic Number: 81 ; Atomic Mass: 204.3833 amu ; Melting Point: 303.5 °C (576.65 K, 578.3 °F) ; Boiling Point: 1457.0 °C (1730.15 K, 2654.6 °F) ; Number of Protons/Electrons: 81 ; ... I currently do not know of any links for Thallium. If you do, please let me know;
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www.chemicalelements.com/elements/tl.html
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Comprehensive information for the element Thallium – Tl is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions. ... Overview of Thallium...
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environmentalchemistry.com/yogi/periodic/Tl.html
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This WebElements periodic table page contains Essential information for the element thallium ... Brief description: when freshly exposed to air, thallium exhibits a metallic lustre, but soon develops a bluish-grey tinge, resembling lead in appearance. A heavy oxide builds up on thallium if left in air, and in the presence...
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www.webelements.com/webelements/elements/text/Tl/key.ht...
www.webelements.com/webelements/elements/text/Tl/key.html
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The Element Thallium - Basic Physical and Historical Information ... The Element Thallium; [Click for Isotope Data] ... Thallium was discovered spectroscopically by Sir William Crookes, an English chemist, in 1861. Crooks had obtained the sludge left over from the production of sulfuric acid (H2SO4) from a friend.
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education.jlab.org/itselemental/ele081.html
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Thallium is a soft, bluish-white metallic element. Its atomic number is 81 and its symbol is Tl. It looks much like lead, but chemically is very similar to aluminum. It is so soft that it can be cut with a knife.
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www.mii.org/Minerals/photothallium.html
www.mii.org/Minerals/photothallium.html
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Cost-effectiveness of thallium-201 versus technetium-99m-sestamibi in the detection of coronary artery disease; Nightengale B ... Cardiac imaging in detection of coronary artery disease using as agents thallium-201 (201TI) or technetium-99-m-sestamibi (99mTc-sestamibi).
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www.tripdatabase.com/spider.html?itemid=306003
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The Cost of Raising Kids Table shows the estimated costs of raising a child, based on a survey by the U.S. Department of Agriculture. It's broken down by income and age of the child and includes costs such as housing, food, clothing and much more. ... The Cost of Raising Children...
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moneycentral.msn.com/articles/family/kids/tlkidscost.as...
moneycentral.msn.com/articles/family/kids/tlkidscost.asp
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