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lutetium |
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lutetiumSilver-white, metallic element, the last of the lanthanide series, atomic number 71, relative atomic mass 174.97. It is used in the ‘cracking’, or breakdown, of petroleum and in other chemical processes. It was named by its discoverer, French chemist Georges Urbain, after his native city. |
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For AS, we used iridium (Ir); for Pb and Mn, we used lutetium (Lu) and gallium (Ga), respectively. We moved through sands that are nothing - for all intents and purposes - to the black government, but which DuPont and other white scourges have their scouts scouring daily in order to determine how much zircon, lutetium, and other precious elements essential to Western "hi-technology" there are to be refined from these sands. Formed from a mix of oxides and rare earths, these zeolites apparently impart to oil products a telltale sign of their encounter--unusual proportions of such rare-earth metals as lanthanum, neodymium, samarium ytterbium, lutetium and vanadium. |
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lutetium
