Thallium chemical element Britannica
Thallium (Tl), chemical element, metal of main Group 13 (IIIa, or boron group) of the periodic table, poisonous and of limited commercial value. Like lead, thallium is a soft, low-melting element of low tensile strength. Freshly cut thallium has a metallic lustre that dulls to bluish gray uponGet PriceEmail contact
Thallium - Element information, properties and uses ...
Thallium is also being tested in high-temperature ceramic superconductors. Alongside the two stable isotopes, there are a further 23 radioisotopes, though most of them with fleeting half lives. One of them, thallium 201, is useful in nuclear medicine. Its injected into the bloodstream and will find its way into all tissues with the help of the sodium/potassium membrane pump. This can then ...Get PriceEmail contact
Thallium Heart Scan (Thallium Myocardial Perfusion Scan ...
What is a thallium heart scan? This leaflet describes a type of heart scan known as a thallium myocardial perfusion scan. It is a nuclear medicine test that looks at the blood supply to the muscles of your heart (the myocardium). The test is usually done in two parts. The stress scan is done while your heart is working hard and the rest scan is done while your heart is resting. The two parts ...Get PriceEmail contact
Thallium: What Are the Symptoms of Poisoning?
09/04/2014 Thallium is a soft, malleable gray metal that was previously widely used in rat poisons and insecticides. Thallium itself and compounds containing the element are highly toxic. It is particularly dangerous because compounds containing thallium are colorless, odorless, and tasteless. Because of this high toxicity, the World Health Organization (WHO) recommends against the use of thallium in ...Get PriceEmail contact
Minerals Special Issue : Thallium: Mineralogy ...
Thallium (Z = 81) is either chalcophile or lithophile. It is widely distributed within the Earth’s continental crust and is more abundant than other well-known elements, such as Ag, Sb, and Hg. Nonetheless, its availability is limited due to its tendency to substitute alkaline metals in rock-forming minerals. Consequently, the occurrence of thallium minerals or the presence of high-thallium ...Get PriceEmail contact
Thallium poisoning - Wikipedia
Thallium figures prominently in the 1995 film The Young Poisoner's Handbook, a dark comedy loosely based on the life of Graham Frederick Young. In Big Nothing, Josie is the Wyoming Widow; a murderer who befriended men and killed them with whiskey laced with highly concentrated thallium. In the 2010 episode "Whatever It Takes" of House, a character uses thallium to poison a patient to mimic the ...Get PriceEmail contact
BBC NEWS UK What is thallium?
21/11/2006 Thallium, the substance which has poisoned ex-KGB agent Alexander Litvinenko in London, is a highly-toxic heavy metal. Although it used to be commonly found in rat poisons and insecticides, since the 1970s authorities in many countries have strictly controlled its sale because of its toxic qualities. The salts of thallium are colourless, odourless, tasteless and soluble in water. If theyGet PriceEmail contact
Thallium - Wikipedia
Ontdekking. Thallium is in 1861 ontdekt door de Engelse wetenschapper Sir William Crookes tijdens het spectrofotometrisch onderzoeken van residuen, die overbleven bij de productie van zwavelzuur.Een jaar later werd thallium door Crookes en Claude-Auguste Lamy onafhankelijk van elkaar geïsoleerd.. Thallium betekent in het Grieks groene tak of scheut.Deze naam past het scheikundig element omdat ...Get PriceEmail contact
Thallium-201 scintigraphy Radiology Reference Article ...
Thallium-201 (Th-201) is a radiopharmaceutical used for scintigraphy, primarily of the myocardium. The element thallium is treated by the body as an analog of potassium; it is produced in a cyclotron by bombarding thallium-203 with protons.. Characteristics. thallium is a monovalent cation. usually employed in the form of a chloride salt; photon energy: 68-80 keV (a smaller amount of γ-rays ...Get PriceEmail contact