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thulium

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thulium
thulium Chem. (ˈθjuːlɪəm) [mod.L., coined in Fr. (P. T. Cleve 1879, in Compt. Rend. LXXXIX. 480), f. Thule + -ium.] A rare metallic element of the lanthanide series that forms pale green salts in which it is trivalent. Atomic number 69; symbol Tm.1879 P. T. Cleve in Chem. News 12 Sept. 126/2 For the... Oxford English Dictionary
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Thulium(III) nitrate
Thulium(III) nitrate is an inorganic compound, a salt of thulium and nitric acid with the chemical formula . Synthesis Reaction of thulium and nitric acid: Reaction of thulium hydroxide and nitric acid: Physical properties Thulium(III) nitrate forms dark-green wikipedia.org
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Thulium(III) iodide
Thulium(III) iodide is an iodide of thulium, with the chemical formula of TmI3. Thulium(III) iodide is used as a component of metal halide lamps. Preparation Mercury(II) iodide can be heated with thulium to obtain thulium(III) iodide: 2 Tm + 3 HgI2 → 2 TmI3 + 3 Hg The mercury produced in the wikipedia.org
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Monolithic ultrashort-cavity DBR gain-switched thulium doped fiber ...
The DBR cavity with a pair of FBGs with high reflectivity is constructed in a commercial non-polarized Tm fiber by high-precision femtosecond-laser PbP direct-writing method. Gain-switched TDFL at 2003 nm with a shortest pulse width of 4.3 ns and a maximum peak power of 500 W and a maximum single pulse energy of 2.14 μJ has been demonstrated ...
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Thulium acetylacetonate
Thulium acetylacetonate is a coordination complex with the chemical formula Tm(C5H7O2)3, or Tm(acac)3 for short. References External reading Thulium compounds Acetylacetonate complexes wikipedia.org
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Thulium(III) acetate
Thulium(III) acetate is the acetate salt of thulium, with the chemical formula of Tm(CH3COO)3. Thulium compounds Acetates wikipedia.org
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Thulium(III) hydroxide
Chemical properties Thulium(III) hydroxide reacts with acids and produces thulium(III) salts: Tm(OH)3 + 3 H+ → Tm3+ + 3 H2O Thulium(III) hydroxide decomposes References Thulium compounds Hydroxides wikipedia.org
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Thulium(III) bromide
Thulium(III) bromide is a crystalline compound of one thulium atom and three bromine atoms. The salt is a white powder at room temperature. metal thulium bromides. wikipedia.org
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Thulium(III) fluoride
Production It can be produced by reacting thulium(III) sulfide and hydrofluoric acid, followed by thermal decomposition: 3 Tm2S3 + 20 HF + (2 + 2x)H2O Thulium compounds Fluorides Lanthanide halides wikipedia.org
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Thulium(III) chloride
Thulium(III) chloride or thulium trichloride is as an inorganic salt composed of thulium and chlorine with the formula TmCl3. Thulium(III) chloride has the YCl3 (AlCl3) layer structure with octahedral thulium ions. wikipedia.org
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Thulium(II) fluoride
Thulium(II) fluoride is one of the fluoride salts of the lanthanide metal thulium, with the chemical compound of TmF2. References Thulium compounds Fluorides Fluorite crystal structure wikipedia.org
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Thulium dibromide
Preparation Thulium dibromide can be prepared by reacting thulium with thulium tribromide at 800~900 °C in a vacuum. References Lanthanide halides Thulium compounds Bromides wikipedia.org
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Thulium selenide
It can be obtained by the reaction of thulium and selenium or thulium oxide and hydrogen selenide at high temperature, or generated in the thermal decomposition References Thulium compounds Selenides wikipedia.org
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Thulium(II) chloride
Production Thulium(II) chloride can be produced by reducing thulium(III) chloride by thulium metal: 2 TmCl3 + Tm → 3 TmCl2 Chemical properties Thulium References Lanthanide halides Thulium compounds Chlorides wikipedia.org
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Thulium(III) oxide
It can be prepared in the laboratory by burning thulium metal in air, or by decomposition of their oxoacid salts, such as thulium nitrate. References Thulium compounds Sesquioxides wikipedia.org
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