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www.chemicalelements.com/elements/tl.html
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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, ...
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www.lenntech.com/periodic/elements/tl.htm
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When freshly exposed to air, thallium exhibits a metallic lustre, but soon ... A heavy oxide builds up on thallium if left in air, and in the presence of water the ...
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physics.nist.gov/PhysRefData/Handbook/Tables/thalliumta...
physics.nist.gov/PhysRefData/Handbook/Tables/thalliumtable1.htm
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Thallium (Tl) Homepage - Introduction · Finding list · Select element by name. Select element by atomic number. Select element from periodic table · Thallium ...
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environmentalchemistry.com/yogi/periodic/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 ...
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education.jlab.org/itselemental/ele081.html
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The Element Thallium [Click for Isotope Data]. 81. Tl. Thallium. 204.3833. Atomic Number: 81. Atomic Weight: 204.3833. Melting Point: 577 K (304°C or 579°F) ...
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www.rxlist.com/thallous-chloride-drug.htm
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Oct 21, 2008 ... Thallium Tl-201 is cyclotron produced. At the time of calibration it contains no more than 1.0% Thallium Tl-200, no more than 1.0% Thallium ...
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www.rsc.org/chemsoc/visualelements/pages/pdf/thallium.P...
www.rsc.org/chemsoc/visualelements/pages/pdf/thallium.PDF
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General Information. Discovery. Thallium was discovered spectroscopically by W. Crookes in 1861 in London. It was isolated in 1862 by C.-A. Lamy in Paris.
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www.chemicalaid.com/element.php?symbol=Tl
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Information On The Element: Thallium - 81 (Tl) including atomic weight, atomic number, density, states, energy, electron configurations and history.
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www.jstor.org/stable/95246
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Spark Spectrum of Thallium, Tl II1 assigned a number of wave-lengths to the spectrum, TI II, of the singly ionised atom. Two wave-lengths, namely, X 2530-88 A.
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