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This implicitly puts the value of compounds' other constituents, and the cost of extraction of the element, at zero. ... Thulium: 9.321: 0.52 (1.4404 ...
Thulium-169 is thulium's only primordial isotope and is the only isotope of thulium that is thought to be stable; it is predicted to undergo alpha decay to holmium-165 with a very long half-life. [ 10 ] [ 22 ] The longest-lived radioisotopes are thulium-171, which has a half-life of 1.92 years, and thulium-170 , which has a half-life of 128.6 days.
As the oxide (Tm 2 O 3), thulium-170 has been proposed as a radiothermal source due to it being safer, cheaper, and more environmentally friendly than commonly used isotopes such as plutonium-238. [ 10 ] [ 11 ] The heat output from a 170 Tm source is initially much greater than from a 238 Pu source relative to mass, but it declines rapidly due ...
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But eating whole foods can feel more expensive than processed options in the grocery store, especially with so much price volatility in recent years. In 2022, for instance, overall food prices ...
Unfortunately, little is known about the conservatory's earliest days, as a fire in Columbus City Hall destroyed its records in 1921. Much of the conservatory's history has been documented from newspapers and personal written accounts. For a short period starting in 1927, animals were kept in the lower rooms of the conservatory.
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Thulium(III) nitrate forms dark-green hygroscopic crystals. Forms crystalline hydrates of the composition Tm(NO 3) 3 ·5H 2 O. [5] [6] Soluble in water and ethanol. [7]