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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 150. Not illustrated. Chapters: Iridium-192, Iridium-191, Iridium-193, Iridium-164, Iridium-165, Iridium-166, Iridium-167, Iridium-168, Iridium-169, Iridium-170, Iridium-171, Iridium-172, Iridium-173, Iridium-174, Iridium-175, Iridium-176, Iridium-177, Iridium-178, Iridium-179, Iridium-180, Iridium-181, Iridium-182, Iridium-183, Iridium-184, Iridium-185, Iridium-186, Iridium-187, Iridium-188, Iridium-189, Iridium-190, Iridium-194, Iridium-195, Iridium-196, Iridium-197, Iridium-198, Iridium-199. Excerpt: There are two natural isotopes of iridium (Ir), and many radioisotopes, the most stable radioisotope being Ir-192 with a half-life of 73.83 days. Ir-192 beta decays into platinum-192, while most of the other radioisotopes decay into osmium. Standard atomic mass: 192.217(3) u
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