americium


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americium

 (Am) [am″er-ish´e-um]
a chemical element, atomic number 95, atomic weight 243. (See Appendix 6.)

am·er·i·ci·um (Am),

(am'ĕ-ris'ē-ŭm),
An element obtained by the bombardment of uranium with neutrons or β decay of plutoniums 241, 242, and 243; atomic no. 95; atomic weight 243.06. 241Am (half-life of 432.2 years) has been used in the diagnosis of bone disorders. 243Am has a half-life of 7370 years.
[the Americas]

americium

/am·er·ic·i·um/ (Am) (am″er-is´e-um) a chemical element, at. no. 95.

americium (Am)

[am′ərish′ē·əm]
a synthetic radioactive element of the actinide group. Its atomic number is 95; its atomic mass is 243.

am·er·i·ci·um

(Am) (am'ĕ-rish'ē-ŭm)
An element obtained by the bombardment of uranium with neutrons or beta decay of plutoniums 241, 242, and 243; atomic no. 95; atomic weight 243.06. 241Am (half-life of 432.2 years) has been used in the diagnosis of bone disorders. 243Am has a half-life of 7370 years.
[the Americas]

americium

a chemical element, atomic number 95, atomic weight 243, symbol Am. See Table 6.
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References in periodicals archive ?
David put the lump of americium inside a hollow block of lead with a tiny hole pricked in one side so that alpha rays would stream out.
Nuclear waste, larded with plutonium, americium (more toxic than plutonium), curium, neptunium, radioactive cesium, strontium and iodine, accumulates at 435 reactors around the world.
In fact the hazard isn't much different from similar substances that emit alpha particles, such as the decay products of radon gas, or the americium in your smoke detector.
It can be used to treat other heavy metals, such as cadmium, ferrous iron, lead, and zinc, and radionuclides, including uranium, plutonium, and americium.
The Integral Fast Reactor's fuel cycle is the first one capable of taking actinides such as neptunium, americium, and plutonium and automatically putting them back--integrating them quickly and automatically--into the nuclear fuel stream.
Yap, "Analysis of Nonya Wares Using an Annular Americium Source", Archaeometry 28 (1986): 197-201; C.
Other defense wastes that should be amenable to ATW include radioactive isotopes of iodine, plutonium, neptunium, and americium.
Industrial gauges usually contain [137cesium, 60 cobalt, 26 radium or 241 americium, each of which could be harmful in the event of protracted exposure, with the latter two being of a more serious nature.
The improved formulation, known as NanoDTPA, could be given orally and is being developed as a short-term treatment for people exposed to americium, curium, or plutonium.
Kitty litter was blamed for the blast, which blew the top off a drum filled with plutonium and americium waste.
Once in the body, americium tends to concentrate in the bone, liver and muscles.

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