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・ Isotta Fraschini Tipo 8A
・ Isotta Fraschini Tipo 8B
・ Isotta Fraschini Tipo 8C Monterosa
・ Isotta Fraschini Tipo D
・ Isotta Fraschini Tipo FE & FENC
・ Isotta Fraschini V.4
・ Isotta Fraschini V.5
・ Isotta Fraschini V.6
・ Isotopes of fermium
・ Isotopes of flerovium
・ Isotopes of fluorine
・ Isotopes of francium
・ Isotopes of gadolinium
・ Isotopes of gallium
・ Isotopes of germanium
Isotopes of gold
・ Isotopes of hafnium
・ Isotopes of hassium
・ Isotopes of helium
・ Isotopes of holmium
・ Isotopes of hydrogen
・ Isotopes of indium
・ Isotopes of iodine
・ Isotopes of iridium
・ Isotopes of iron
・ Isotopes of krypton
・ Isotopes of lanthanum
・ Isotopes of lawrencium
・ Isotopes of lead
・ Isotopes of lithium


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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)
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