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- Isotopes_of_rubidium abstract "Rubidium (Rb) has 32 isotopes, with naturally occurring rubidium being composed of just two isotopes; 85Rb (72.2%) and the radioactive 87Rb (27.8%). Normal mixes of rubidium are radioactive enough to fog photographic film in approximately 30 to 60 days. Relative atomic mass is 85.4678(3).87Rb has a half-life of 4.92×1010 years. It readily substitutes for potassium in minerals, and is therefore fairly widespread. 87Rb has been used extensively in dating rocks; 87Rb decays to stable strontium-87 by emission of a negative beta particle. During fractional crystallization, Sr tends to become concentrated in plagioclase, leaving Rb in the liquid phase. Hence, the Rb/Sr ratio in residual magma may increase over time, resulting in rocks with increasing Rb/Sr ratios with increasing differentiation. Highest ratios (10 or higher) occur in pegmatites. If the initial amount of Sr is known or can be extrapolated, the age can be determined by measurement of the Rb and Sr concentrations and the 87Sr/86Sr ratio. The dates indicate the true age of the minerals only if the rocks have not been subsequently altered. See rubidium-strontium dating for a more detailed discussion.Other than 87Rb, the longest-lived radioisotopes are 83Rb with a half-life of 86.2 days, 84Rb with a half-life of 33.1 days and 86Rb with a half-life of 18.642 days. All other radioisotopes have half-lives less than a day.82Rb is used in some cardiac PET scans to assess myocardial perfusion. It has a half-life of 1.273 minutes. It does not exist naturally, but can be made from the decay of 82Sr.".
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- Isotopes_of_rubidium wikiPageWikiLink Alpha_decay.
- Isotopes_of_rubidium wikiPageWikiLink Beta_decay.
- Isotopes_of_rubidium wikiPageWikiLink Beta_particle.
- Isotopes_of_rubidium wikiPageWikiLink Bose–Einstein_condensate.
- Isotopes_of_rubidium wikiPageWikiLink Brookhaven_National_Laboratory.
- Isotopes_of_rubidium wikiPageWikiLink CRC_Handbook_of_Chemistry_and_Physics.
- Isotopes_of_rubidium wikiPageWikiLink CRC_Press.
- Isotopes_of_rubidium wikiPageWikiLink Category:Isotopes_of_rubidium.
- Isotopes_of_rubidium wikiPageWikiLink Category:Lists_of_isotopes_by_element.
- Isotopes_of_rubidium wikiPageWikiLink Category:Rubidium.
- Isotopes_of_rubidium wikiPageWikiLink Electron_capture.
- Isotopes_of_rubidium wikiPageWikiLink Fractional_crystallization_(geology).
- Isotopes_of_rubidium wikiPageWikiLink Gas.
- Isotopes_of_rubidium wikiPageWikiLink Half-life.
- Isotopes_of_rubidium wikiPageWikiLink Heart.
- Isotopes_of_rubidium wikiPageWikiLink Igneous_differentiation.
- Isotopes_of_rubidium wikiPageWikiLink Isotope.
- Isotopes_of_rubidium wikiPageWikiLink Isotopes_of_rubidium.
- Isotopes_of_rubidium wikiPageWikiLink Laser_diode.
- Isotopes_of_rubidium wikiPageWikiLink Magma.
- Isotopes_of_rubidium wikiPageWikiLink Mineral.
- Isotopes_of_rubidium wikiPageWikiLink Myocardial_perfusion_imaging.
- Isotopes_of_rubidium wikiPageWikiLink National_Nuclear_Data_Center.
- Isotopes_of_rubidium wikiPageWikiLink Neutron.
- Isotopes_of_rubidium wikiPageWikiLink Neutron_emission.
- Isotopes_of_rubidium wikiPageWikiLink Nuclear_Physics_(journal).
- Isotopes_of_rubidium wikiPageWikiLink Nuclear_isomer.
- Isotopes_of_rubidium wikiPageWikiLink Optical_disc_drive.
- Isotopes_of_rubidium wikiPageWikiLink Pegmatite.
- Isotopes_of_rubidium wikiPageWikiLink Photographic_film.
- Isotopes_of_rubidium wikiPageWikiLink Plagioclase.
- Isotopes_of_rubidium wikiPageWikiLink Positron_emission_tomography.
- Isotopes_of_rubidium wikiPageWikiLink Potassium.
- Isotopes_of_rubidium wikiPageWikiLink Proton.
- Isotopes_of_rubidium wikiPageWikiLink Proton_emission.
- Isotopes_of_rubidium wikiPageWikiLink Pure_and_Applied_Chemistry.
- Isotopes_of_rubidium wikiPageWikiLink Radioactive_decay.
- Isotopes_of_rubidium wikiPageWikiLink Radiometric_dating.
- Isotopes_of_rubidium wikiPageWikiLink Radionuclide.
- Isotopes_of_rubidium wikiPageWikiLink Relative_atomic_mass.
- Isotopes_of_rubidium wikiPageWikiLink Rubidium.
- Isotopes_of_rubidium wikiPageWikiLink Rubidium-strontium_dating.
- Isotopes_of_rubidium wikiPageWikiLink Strontium.
- Isotopes_of_rubidium wikiPageWikiLink Talk:Isotopes_of_rubidium.
- Isotopes_of_rubidium wikiPageWikiLinkText "1".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-100".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-101".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-102".
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- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-81".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-82".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-83".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-84".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-85".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-86".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-87".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-88".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-89".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-90".
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- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-92".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-93".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-94".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-95".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-96".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-97".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-98".
- Isotopes_of_rubidium wikiPageWikiLinkText "Isotopes of rubidium#Rubidium-99".
- Isotopes_of_rubidium wikiPageWikiLinkText "Rb".
- Isotopes_of_rubidium wikiPageWikiLinkText "isotopes of rubidium".
- Isotopes_of_rubidium wikiPageWikiLinkText "rubidium 82".
- Isotopes_of_rubidium wikiPageWikiLinkText "rubidium-82".
- Isotopes_of_rubidium element "rubidium".
- Isotopes_of_rubidium heavier "Isotopes of strontium".
- Isotopes_of_rubidium lighter "Isotopes of krypton".
- Isotopes_of_rubidium wikiPageUsesTemplate Template:Cite_book.
- Isotopes_of_rubidium wikiPageUsesTemplate Template:Cite_journal.
- Isotopes_of_rubidium wikiPageUsesTemplate Template:Cite_web.
- Isotopes_of_rubidium wikiPageUsesTemplate Template:Isotope_nav.
- Isotopes_of_rubidium wikiPageUsesTemplate Template:Val.
- Isotopes_of_rubidium subject Category:Isotopes_of_rubidium.