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is a chemical element with the symbol Rb and atomic number 37. Rb is a
soft, silvery-white metallic element of the alkali metal group.
- Rb-87, a
naturally occurring isotope, is very slightly radioactive.
is the twenty-third most abundant element in the Earth's crust.
- It occurs
in the minerals pollucite, carnallite, leucite and lepidolite, from
which it is recovered commercially.
- A common
method for producing rubidium is to pass an electrical current through
molten (melted) rubidium chloride.
Bose-Einstein condensates of rubidium-87 are produced in a multistage
process involving laser cooling and trapping, as well as evaporative
cooling in a magnetic trap.
is obtained as a minor byproduct of the processing of lepidolite and
absorption spectroscopy using a narrow band diode laser was applied to
the determination of Rb in a laboratory- detect isotopes of built see-
through hollow cathode glow discharge cell.
field ionization Technique is followed by a slow ramp in rubidium and
apply this scheme to an electron scattering experiment, corroborating
dipole selection rules in fast electron scattering induced excitation.
is used little outside research.
- It is
easily ionised so was considered for use in ion engines, but was found
to be less effective than caesium.
- It has
been proposed for use as a working fluid for vapour turbines and in
- It is
used as a photocell component and in special glasses.
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