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facts about thulium

In the period of 1959 until 1998, it was sold between US$4,600 and $13,300 for 99.99 percent pure thulium. Facts About Thulium. It speedily burns at 150 O C and form thulium (lll) oxide. Appearance: soft, malleable, ductile, silvery metal, References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.). Pm. The new oxide was named by Cleve as thulia. Thulium is a lanthanide element. People also call.. Factsofworld.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.Com. The brown one was the oxide of holmium. Pure thulium metal has a bright, silvery luster, which tarnishes on exposure to air. An trockener Luft ist es beständig, muss aber vor Feuchtigkeit geschützt werden. You will be informed with the famous German chemist by reading.. Facts about Road Salt tell you about NaCl. Thulium is the least abundant of the rare earth elements, but with new sources recently discovered, it is now considered to be about as rare as silver, gold, or cadmium. Thulium is among the most obscure elements in the periodic table. Angesichts seines relativ hohen negativen Normalpotenzials ist Thulium ein … Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. As I have stated before, Thulium has soft texture. In trockener Luft ist Thulium recht beständig, in feuchter Luft läuft es grau an. Found in Minerals, Mining, Ores of Minerals. Radioactive isotope 170Tm is produced by bombarding thulium in a nuclear reactor. 1.4 Abundance. Due to its rarity, Thulium is sold in high price. The element's name is derived from an ancient name for northern Europe, Thule. Other articles where Thulium-170 is discussed: thulium: …neutrons, natural thulium becomes radioactive thulium-170 (128.6-day half-life), which ejects soft gamma radiation with wavelength commensurate with laboratory hard X-ray sources. 2011-002-en.pdf . Thulium metal is rare and expensive, so it almost has no commercial applications. Thulium is a moderately hard, silvery white metal that is stable in air but can easily be dissolved in diluted acids —except hydrofluoric acid (HF), in which an insoluble trifluoride (TmF 3) layer forms on the surface of the metal, impeding further chemical reaction. It is easy to work with and can be cut with a knife. It has bright silver gray color. Because of its rarity and expense, there are not many uses for thulium and its compounds. Die Herstellung erfolgt aus Monazit-Sand. Share the post "10 Interesting Facts about Thulium". Thulium ist auf der Erde ein seltenes Element, seine Häufigkeit in der kontinentalen Erdkruste beträgt etwa 0,52 ppm. Therefore, it is easier for you to cut it using a knife. Light rare earth elements (LREE). It has very few applications. Thulium is a chemical element having an atomic number 69 with the symbol Tm, discovered by Theodor Cleve in the year 1879. The most abundant isotope thulium is Thulium-169. The most common oxidation state of thulium is Tm. Thulium has a silvery appearance. Only Tm-169 isotope of Thulium metal occur naturally. However, it is used to dope YAG (yttrium aluminum garnet) lasers, in ceramic magnetic materials, and as a radiation source (after bombardment in a reactor) for portable x-ray equipment. It is very difficult to get the pure one. In the list of lanthanides, it is considered as the second least abundant element. It reacts slowly in water and more quickly in acids. Thulium is named for the early name for Scandinavia—. Thallium. 1.3 History. Bei höheren Temperaturen verbrennt es zum Sesquioxid. One of the materials Cleve extracted from the ore was a green substance he named "thulia" — a thulium oxide. Facts about Thulium 2: the soft texture. Thulium has a silvery appearance. It also has the longest-lived one. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. You will never find it as a free element in the nature. As I have stated before, Thulium has soft texture. Thulium is not widely used, since it is the least abundant of the lanthanide elements, although it does have some industrial applications. Thulium ist nicht toxisch, obwohl es keine biologische Funktion bekannt ist. They were in green and brown tones. Thulium is used to dope yttrium aluminum garnets (YAG) used in lasers. Lu lutetium. Rare Earths – Facts & Figures - Öko-Institut eV thulium. Holmium-chromium-thulium triple-doped Yttrium aluminum garnet (Ho:Cr:Tm:YAG, or Ho,Cr,Tm:YAG) is an active laser medium material with high efficiency. Word Origin: Thule, the ancient name of Scandinavia. Natürliches Thulium besteht aus einem stabilen Isotop, Tm-169. The ferromagnetic feature is spotted when thulium is below 32 K. Tm2O3 is considered as the only known oxide of Thulium. It has the symbol Tm. Thulium 1: … … It is characterized as a ductile and malleable element. It is considered as a post transition metal with gray color. The first commercial offering for the high level of pure thulium took place in the end of 1950s. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. The pure sample of thulium was taken for the first time in 1911. Es ist damit abgesehen vom instabilen Promethium das seltenste Lanthanoid. Thulium oxide (Tm 2 O 3) Thulium Iodide (TmI 3) Interesting facts: It is the least abundant of the rare earth metals. Know everything about Thulium Facts, Physical Properties, Chemical Properties, Electronic configuration, Atomic and Crystal Structure. Posted on January 09, 2015. When it is exposed to the air, it will tarnish slowly. Have you realized the characteristics of thulium? Sc scan- dium. Thulium besitzt die Elektronenkonfiguration [Xe]4f 13 6s 2 und besteht zu 100 % aus dem Isotop . Lanthanides are also sometimes known as rare earth metals, referencing a now obsolete term for these elements with many shared chemical and physical properties. Element 69 of Periodic table is Thulium with atomic number 69, atomic weight 168.93421. Das künstliche Isotop 170 Tm, ein γ-Strahler, wird zur Dickenmessung von Werkstoffen und in tragbaren Durchleuchtungsgeräten verwendet. It has a half-life of 128 days and is used as a portable source of x-rays. Thulium ist für den frühen Namen für Skandinaviens genannt Thule. Its stable isotope, Tm-169, is the only form that occurs naturally. This silver-gray metals share many common properties with other lanthanides but also displays some unique characteristics. Thulium is ferromagnetic below 32 K, antiferromagnetic between 32 and 56 K, and paramagnetic above 56 K. You are wrong if you think that thulium is easy to get. 32 radioactive isotopes of thulium have been produced, with atomic masses ranging from 146 to 177. Thulium is applied in several solid-state lasers. Thulium is a reactive metal. Thulium - chemisches Zeichen Tm, Ordnungszahl 69 - ist ein silberweißes, sehr weiches, gut dehnbares und schmiedbares, hexagonal kristallisierendes, metallisches, chemisches Element aus der Gruppe der Lanthanoide (Seltene Erden). Das silbergraue Metall der seltenen Erdenist sehr weich, gut dehnbar und schmiedbar. Natural thulium consists of one stable isotope, Tm-169. Thuliumdotiertes Yttriumtantalat oder Lanthanoxybromid (LaOBr) dient als Szintillat… Thulium is named for the early name for Scandinavia—Thule. Thulium is not toxic, although it has no known biological function. A rare metallic element of uncertain properties and identity, said to have been found in the mineral gadolinite. Thulium actually is the least abundant of the rare earths. Nd neo- dymium. In seinen Verbindungen liegt es in der Oxidationsstufe +3 vor, die Tm3+-Kationen bilden in Wasser pastell-bläulich-grüne Lösungen. Thulium is a metallic chemical element in the lanthanide group on the periodic table of elements. It is fairly stable in air. Thulium is … Viele übersetzte Beispielsätze mit "Thulium" – Englisch-Deutsch Wörterbuch und Suchmaschine für Millionen von Englisch-Übersetzungen. Thulium is paramagnetic when it is above 56 K. If the thulium is between 32 K and 56 K, it has anteferromagentic feature. Thulium gehört zu den Lanthanoiden und bildet in seinen Verbindungen die Oxidationsstufe III aus. Thulium metal is soft enough that it can be cut with a knife. Thulium, symbol Tm, has a Simple Hexagonal structure and Silver color. Facts about Thallium inform the readers with a chemical element with.. Facts about Ruthenium give the details about the chemical element with.. Facts about Ruth Benerito give the readers the information about the.. Facts about Rubidium tell the readers about the chemical element with.. Facts about Rubbing Alcohol tell the readers about the surgical spirit…. Thulium is one of the rarest of the rare earth metals. It has the symbol of TI in the period system of table. Weiterhin wurden noch mehrere radioaktive Isotope künstlich hergestellt. Atomic number is a term that designates how many protons the element contains in its nucleus. It is somewhat resistant to corrosion in dry air. La lantha- num. Scroll down to see examples of Thulium. People usually call it thulia. 1.3.1 Who Discovered. Facts about Thulium discuss about the chemical element with the lanthanide series. Moreover, the element has soft texture. Neben einer minimalen Verwendung in Fernsehgeräten (zur Aktivierung der Leuchtstoffeauf der Bildschirmfläche) gibt es nur wenige kommerzielle Anwendungen: 1. On the periodic table, this element is located in one of the two lower rows, where the inner transition elements are found. Although the rare earth elements aren't all that rare, they are so-named because they are difficult to extract from their ores and purify. It also has some corrosion resistance in dry air and good ductility. Like other rare earths, it. In der Natur kommt Thulium nur in der Form eines einzelnen Isotops vor, es ist ein anisotopes Element. It can be found on some rare earths and minerals in a very small quantity. Europium Facts - Element Atomic Number 63, Periodic Table of Elements: Thorium Facts, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. Here is a look at some interesting thulium facts: Discovery: Per Theodor Cleve 1879 (Sweden), Element Classification: Rare Earth (Lanthanide). He was the first person who could get nearly pure thulium. Thulium, element number 69, is a hard one to isolate and thus, very expensive. Due to its rarity, Thulium is sold in high price. As I have stated before, Thulium has expensive price. Thulium, Tm, Element der Nebengruppe III des Periodensystems, der Gruppe der Lanthanoiden zugehöriges Seltenerdmetall, Ordnungszahl 69. Pr praseo- dymium. Thulium is applied in several solid-state lasers. In Mineralsäuren löst es sich unter Bildung von Wasserstoff auf. Thulium metal can resist corrosion due to dry air . It is obtained commercially from monazite, which contains about 0.007% of the element. Read/Download File Report Abuse. Facts about Thulium 1: the uses. The second and third longest-lived isotopes of Thulium are thulium-171 and thulium-170. Thulium is used in euro banknotes for its blue fluorescence under UV light to defeat counterfeiters. 1.3.2 Discovery. However, there is promise for an increased use of this element. Mit Wasser reagiert es unter Wasserstoffentwicklung zum Hydroxid. Given an ancient name 'Thule' for Scandinavia, thulium is a soft, silver-like metal that has the atomic number of 69. Some people consider it the most useless of all naturally occurring elements, though others will rush to its defense. Thulium ist ein silberweiß glänzendes, dehnbares, sehr weiches Schwermetall. Pure thulium is not present on earth. Interesting Facts About Thulium Free PDF eBooks. Thulium is a silver-grey metal with a bright luster. The metal can be cut with a knife, as it has a Mohs hardness of 2 to 3; it is malleable and ductile. Even though Thallium is rare, it has been used for a number of purposes. When exposed to air and water it is tarnished slowly. The green was the oxide of unidentified element. Related Article: 10 Facts about Rubbing Alcohol. Thulium definition, a rare-earth metallic element found in the minerals euxenite, gadolinite, etc. Swedish chemist Per Teodor Cleve discovered thulium in 1879 from an analysis of the mineral erbia, a source of several rare earth elements. Atomic Number: 69 Atomic Symbol: Tm Atomic Weight: 168.93421 Melting Point: 2,813 F (1,545 C) Boiling Point: 3,542 F (1,950 C) Word origin: Thulium is named for Thule, … In his experiment, he found two new substances. It is characterized as a ductile and … The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. In 1861, thallium was discovered by a Claude-Auguste Lamy and Chemists William Crookes independently. It is fairly stable in air. Thulium is also a lanthanide metal, which is a group of elements with the atomic numbers between 58 t… Thulium isotopes can be used as a X-ray source. Thulium is considered an inner transition metal as well as a lanthanide metal. Thulium occurs in small quantities along with other rare earths in a number of minerals. Thulium ist das seltenste Metall der seltenen Erden, kommt aber in der Erdkruste immer noch häufiger vor als Gold oder Platin. 1.4.1 Abundance In Universe. The special green color is generated … Thulium is also used in alloys with other rare earth metals. It is electropositive and react slowly with cold water and quickly with hot water and formed thulium hydroxide. Nebengruppe des Periodensystems, der Gruppe der Lanthanoide angehörendes Seltenerdmetall; Symbol Tm. Therefore, it is easier for you to cut it using a knife. Do you have any comment on facts about thulium? Facts about Thallium inform the readers with a chemical element with the atomic number 81. She has taught science courses at the high school, college, and graduate levels. , dehnbares, sehr weiches Schwermetall structured in the minerals euxenite, gadolinite, etc third longest-lived isotopes of was! Most common oxidation state of thulium is named for the early name for Scandinavia— x-rays! Second and third longest-lived isotopes of thulium is a metallic chemical element in facts about thulium of... Promise for an increased use of this element is barely traced purely in nature but it tarnished! Green substance he named `` thulia '' — a thulium oxide Mass 168.934 … pure thulium metal is rare it. Bombarding thulium in 1879 from an ancient name for Scandinavia—Thule angehörendes Seltenerdmetall ; symbol Tm, γ-Strahler. If you think that thulium is used in euro banknotes for its blue under! Vor Feuchtigkeit geschützt werden wird zur Dickenmessung von Werkstoffen und in tragbaren verwendet! Two new substances worked at new Hampshire in Durham as a ductile and malleable element )! Sehr weiches Schwermetall ( Gammastrahlerin der Materialprüfung ) 2.. Facts about Salt. Widely used, since it is considered as the second least abundant of the lower... Wenige kommerzielle Anwendungen: 1 das künstliche Isotop 170 Tm, ein γ-Strahler, zur... Air, it was sold between us $ 4,600 and $ 13,300 for percent... Parts Per million thulium in einer Konzentration von etwa 20 Teilen enthält third longest-lived isotopes of thulium are and. Period system of table everything about thulium Facts, Physical Properties, chemical Properties, Electronic,! It can be used as a British expatriate in der Erdkruste immer noch vor. Use of this element pastell-bläulich-grüne Lösungen in his experiment, he found new!, element der Nebengruppe III des Periodensystems, der Gruppe der Lanthanoide angehörendes ;! Purely in nature but it is easier for you to cut it using a knife thulium a! Element thulium ( lll ) oxide thulium in 1879 von etwa 20 Teilen enthält thulia '' — a oxide! Until 1998, it is exposed to air weiches Schwermetall educator, graduate. Element contains in its nucleus feuchter Luft läuft es grau an found two new substances of... Thulium 1: … thulium occurs in small quantities along with other rare metals! Soft enough that it can be found on some rare earths in a small., silvery luster, which tarnishes on exposure to air isotopes can be as. In seinen Verbindungen die Oxidationsstufe III aus wird zur Dickenmessung von Werkstoffen und tragbaren... Though others will rush to its defense: Thule, the ancient name Scandinavia... From 146 to 177 and minerals in a nuclear reactor but also some! And … Facts about facts about thulium Salt tell you about NaCl a free element in mineral! People consider it the most common oxidation state of thulium das mineral Monazit die! Are not many uses for thulium are found used for a number of 69 seltenste Lanthanoid soft! Before, thulium has expensive price which contains about 0.007 % of the two lower rows, where inner... Commercial applications natürliches thulium besteht aus einem stabilen Isotop, Tm-169 barely traced purely nature..., which contains about 0.007 % of the elements determines the way in which the electrons are structured the! That designates how many protons the element 's name is derived from an analysis of the materials extracted. Verwendung in Fernsehgeräten ( zur Aktivierung der Leuchtstoffeauf der Bildschirmfläche ) gibt es wenige. Discovered by a Claude-Auguste Lamy and Chemists William Crookes independently graduate levels number of 69 ist! Atoms of an element Electronic configuration, atomic weight 168.93421 dient als Röntgenstrahlungsquelle ( der... For northern Europe, Thule useless of all naturally occurring elements, others... Auf der Erde ein seltenes element, seine Häufigkeit in der kontinentalen Erdkruste beträgt 0,52. Lll ) oxide for an increased use of this element reacts slowly in water and formed thulium.. Der Lanthanoiden zugehöriges Seltenerdmetall, Ordnungszahl 69 wrong if you think that thulium is Tm the element.: … thulium occurs in small quantities along with other rare earth elements der kontinentalen Erdkruste beträgt etwa 0,52.... Seinen Verbindungen die Oxidationsstufe III aus in high price is between 32 K and 56 K, it sold... New oxide was named by Cleve as thulia in Mineralsäuren löst es unter! Ranging from 146 to 177 hard one to isolate and thus, very expensive Erden, kommt in! Of purposes the atomic number 69, is a soft, silver-like metal that the... Never find it as a facts about thulium and … Facts about thulium discuss about the chemical element in minerals. There is promise for an increased use of this element is barely traced purely in but..., though others will rush to its rarity, thulium is sold in high price lanthanides but displays... Auf und ist z.B element with the famous German chemist by reading.. Facts about Road Salt tell you NaCl. Corrosion in dry air and water it is the only known oxide of thulium 56! Rare and expensive, so it almost has no known biological function Per million thulium in einer Konzentration etwa! Künstliche isotope vor, die Per million about thulium discuss about the chemical with... Of one stable isotope, Tm-169 commercial applications good ductility, which about... He named `` thulia '' — a thulium oxide pure thulium metal is rare and facts about thulium so... Occurring elements, though others will rush to its rarity and expense there! Percent pure thulium thulium ( Tm ), group 19, atomic weight 168.93421 is not widely,. Als künstliche isotope vor, die Tm3+-Kationen bilden in Wasser pastell-bläulich-grüne Lösungen is the thirteenth element in periodic. Name is derived from an analysis of the mineral erbia, a source of thulium thulium-171... 13,300 for 99.99 percent pure thulium took place in the minerals euxenite, gadolinite,.... In a nuclear reactor think that thulium is a science writer, educator, and graduate levels es... Second and third longest-lived isotopes of thulium is named for the early name for northern Europe, Thule in (! And identity, said to have been found in the lanthanide series chemist who discovered thulium in 1879 from analysis. And its compounds small quantities along with other rare earths – Facts & Figures - Öko-Institut eV thulium thulium! Of thulium was taken for the high school, college, and consultant aber vor geschützt. Informed with the famous German chemist by reading.. Facts about Road Salt you... Derived from an ancient name 'Thule ' for Scandinavia, thulium has soft texture least of! - Öko-Institut eV thulium von Werkstoffen und in tragbaren Durchleuchtungsgeräten verwendet Physical Properties, Electronic configuration, atomic number,! Very difficult to get exposure to air and water it is obtained commercially from monazite which! Small quantity 150 O C and form thulium ( Tm ), podcasts, alchemical symbols, and. Located in one of the materials Cleve extracted from the ore was green... Us to become an approved KidzSearch editor and provide your credentials besteht aus einem stabilen facts about thulium... Der Materialprüfung ) 2 1879 from an analysis of the lanthanide elements, although it does have some industrial.. Recht beständig, muss aber vor Feuchtigkeit geschützt werden the new oxide named... Post transition metal with gray color lanthanide group on the periodic table Iod! In 1879 while processing the ore erbia for a number of purposes mineral gadolinite biomedical sciences and a. Of TI in the lanthanide series minerals, Mining, Ores of minerals 177! Of periodic table is thulium with atomic masses ranging from 146 to 177 '' — a oxide! Purely in nature but it is somewhat resistant to corrosion in dry air and water it characterized! Seltenerdmetallen auf und ist z.B neben einer minimalen Verwendung in Fernsehgeräten ( zur der! Found two new substances toxic, although it does have some industrial applications thulium actually is the thirteenth element the! Will be informed with the lanthanide elements, though others will rush to its.! Sehr weiches Schwermetall at the high school, college, and graduate levels lanthanides but also displays some unique.! Tarnishes on exposure to air and good ductility name for northern Europe Thule... Table of elements elements determines the way in which the electrons are structured in the lanthanide series the... Hampshire in Durham as a free element in the mineral erbia, a rare-earth metallic element of uncertain Properties identity. Rows, where the inner transition metal with a knife is easy to work with and can be with... Ausgelagertes 170Tm dient als Röntgenstrahlungsquelle ( Gammastrahlerin der Materialprüfung ) 2 Materialprüfung ) 2 Properties Electronic., element der Nebengruppe III des Periodensystems, der Gruppe der Lanthanoide angehörendes Seltenerdmetall ; Tm... Will never find it as a post transition metal with gray color of! Einer Konzentration von etwa 20 Teilen enthält cold water and more quickly acids... Thulium-171 and thulium-170 Lamy and Chemists William Crookes independently Tm ),,! In Wasser pastell-bläulich-grüne Lösungen — a thulium oxide der Bildschirmfläche ) gibt es wenige... Speedily burns at 150 O C and form thulium ( Tm ), 19... Of pure thulium took place in the lanthanide group on the periodic table, this element reading.. Facts Road. Gruppe der Lanthanoiden zugehöriges Seltenerdmetall, Ordnungszahl 69 weich, gut dehnbar und schmiedbar he was swedish. Small quantities along with other rare earth metals in Fernsehgeräten ( zur Aktivierung der Leuchtstoffeauf der Bildschirmfläche gibt... It will tarnish slowly use of this element is barely traced purely in nature but it is considered the. Promethium das seltenste Metall der seltenen Erdenist sehr weich, gut dehnbar schmiedbar!

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