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- {{Infobox element ...reservation of the metal. Samarium does not corrode as fast as europium, [[calcium]], or [[sodium]], so taking it out in air for a few minutes at a time will11 KB (1,587 words) - 20:36, 26 December 2022
- {{Infobox element ...s the electrolysis of a molten mixture of 65/45 [[Sodium chloride|NaCl]]/[[Calcium chloride|CaCl<sub>2</sub>]], at 660 degrees Celsius. A significant challeng16 KB (2,327 words) - 18:19, 29 August 2021
- {{Infobox element ...antalum is obtained by reducing tantalum pentoxide with [[aluminium]] or [[calcium]] powder.10 KB (1,408 words) - 18:44, 21 October 2022
- {{Infobox element Reducing lutetium salts, like lutetium(III) chloride with [[calcium]] metal will yield lutetium metal.8 KB (1,122 words) - 18:47, 28 November 2019
- {{Infobox element Reducing praseodymium salts with a reactive metal such as [[calcium]] or [[magnesium]] yields metallic praseodymium.8 KB (1,046 words) - 20:30, 20 October 2020
- {{Infobox element ...t difficult to separate from the resulting slag. A fluxing agent such as [[calcium fluoride]] should be added, which also acts as a heat sink.9 KB (1,257 words) - 13:15, 11 August 2020
- {{Infobox element Other metals such as [[calcium]] can also be used.9 KB (1,214 words) - 00:11, 27 November 2018
- {{Infobox element |left=[[Calcium]]9 KB (1,140 words) - 17:59, 18 July 2019
- {{Infobox element ...s acidified to give "red cake", a polyvanadate salt, which is reduced with calcium metal.10 KB (1,383 words) - 22:11, 26 August 2023