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The most stable of them are lutetium-177m, with half-life of 160.4 days and lutetium-174m, with half-life of 142 days; this is longer than half-lives of the ground states of all radioactive lutetium isotopes, except only for lutetium-173, 174, and 176.Lutetium, derived from the Latin Lutetia (Paris), was independently discovered in 1907 by French scientist Georges Urbain, Austrian mineralogist Baron Carl Auer von Welsbach, and American chemist Charles James.Sustainable Water Supply Solution in Pakistan’s Mountainous Areas?

The soluble salts, such as nitrate, sulfate and acetate form hydrates upon crystallization.Isotopes lighter than the stable lutetium-175 decay via electron capture (to produce isotopes of ytterbium), with some alpha and positron emission; the heavier isotopes decay primarily via beta decay, producing hafnium isotopes.The element also has 42 nuclear isomers, with masses of 150, 151, 153–162, 166–180 (not every mass number corresponds to only one isomer).It is possible to set any criteria, so, you can gather a small or large group who are passionate about something specific.But after registering and interacting with the site, I was impressed with the quality of my partner suggestions and just how much they took into consideration what I was looking for in my search for a partner.

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