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isotopes of gold : ウィキペディア英語版 | isotopes of gold Gold (Au) has one stable isotope, 197Au, and 18 radioisotopes, with 195Au being the most stable with a half-life of 186 days. Gold is currently considered the heaviest monoisotopic element (bismuth formerly held that distinction, but bismuth-209 has been found to be slightly radioactive). Standard atomic mass: 196.966569(5) u.〔(Table of Standard Atomic Weights 2013 – CIAAW )〕 ==Radioactive particle tracking == Inside coker units at oil refineries, gold-198 is used to study the hydrodynamic behavior of solids in fluidized beds and can also be used to quantify the degree of fouling of bed internals.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「isotopes of gold」の詳細全文を読む
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