rubidium


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rubidium

 [roo-bid´e-um]
a chemical element, atomic number 37, atomic weight 85.47, symbol Rb. (See Appendix 6.)
rubidium 82 a radioactive isotope of rubidium having a half-life of 1.273 minutes and decaying by positron emission. It is used as a tracer in positron emission tomography.

ru·bid·i·um (Rb),

(rū-bid'ē-ŭm),
An alkali element, atomic no. 37, atomic wt. 85.4678; its salts have been used in medicine for the same purposes as the corresponding sodium or potassium salts.
[L. rubidus, reddish, dark red, fr. rubeo, to be red]

rubidium

A rare alkali element (atomic number 37; atomic weight 85.47).
 
Fringe oncology
Rubidium is believed to have anticarcinogenic properties, and may be used by some fringe oncologists as a high-pH therapy for cancer.

ru·bid·i·um

(rū-bid'ē-ŭm)
An alkali element, atomic no. 37, atomic wt. 85.4678; its salts have been used in medicine for the same purposes as the corresponding sodium or potassium salts.
[L. rubidus, reddish, dark red, fr. rubeo, to be red]
References in periodicals archive ?
According to TG data (Figure 2 and Table 1), the sample S1 has the composition HRb[La.sub.2][Ti.sub.3][O.sub.10] x 0.8[H.sub.2]O, that is, half of the rubidium ions are substituted with protons.
The elements identified in case of Thar 3-2-3 coal sample, were Aluminum, Arsenic, Barium, Bromine, Calcium, Cobalt, Chromium, Copper, Iron, Gallium, Hafnium, Lanthanum, Manganese, Molybdenum, Niobium, Neodymium, Nickel, Rubidium, Antimony, Scandium, Selenium, Silicon, Tin, Strontium, Titanium, Uranium, Vanadium, Ytterbium, Yttrium, Zink and Zirconium.
Helium He -272 Nonmetal Hydrogen H -259 Nonmetal Neon Ne -249 Nonmetal Oxygen O -218 Nonmetal Nitrogen N -210 Nonmetal Chlorine Cl -101 Nonmetal Mercury Hg -39 Metal Francium Fr 27 Metal Rubidium Rb 39 Metal Sulfur S 113 Nonmetal Silver A9 962 Metal Gold Au 1,064 Metal Iron Fe 1,535 Metal Tungsten W 3,410 Metal Carbon C 3,500 Nonmetal
SpectraTime awarded 4 Me1/4 contract to supply Rubidium Spaceclocks to the Indian Regional Navigational Satellite System
Aminotetrazole salts with the nontoxic metals lithium, sodium, potassium, rubidium and cesium result in a spectrum of colored flames.
of California, Santa Cruz, (UCSC) and Brigham Young Univ., Provo, Utah, have performed atomic spectroscopy with integrated optics on a chip, guiding a beam of light through a rubidium vapor cell integrated into a semiconductor chip.
The nuclear spin of [.sup.131]Xe can be polarized at a low field, for example at 0.5 mT by means of a rubidium spin exchange optical pumping.
The internal OCXO or rubidium standard is designed for low phase noise and good stability.
The light was halted in a medium made up of rubidium atoms, he told the journal Nature.
The MV89 is a replacement for the Rubidium standard.
At their Pakegama Lake rare metals property in the Red Lake district, the Ontario Geological Survey spent two summers there, and much effort was spent identifying both large size and high concentrations of tantalum, cesium, rubidium, and lithium.