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Related to europium: europium oxide

EU

European Union

A supranational economic and political organization consisting of the majority of the countries in Europe. While it lacks the authority of a federal union, it provides a common market and free trade between members. Importantly, it created and operates the euro, which is one of the most important global currencies. See also: European Central Bank.

EU

see EUROPEAN UNION.
References in periodicals archive ?
Europium nanoparticles and time-resolved fluorescence for ultrasensitive detection of prostate-specific antigen.
The following reagents were used during the sol-gel glass making process without further purification: Tetramethyl- orthosilicate (TMOS) (Aldrich 99+%), ethanol ([C.sub.2][H.sub.6]O) (Sigma-Aldrich, [greater than or equal to] 99.5%), hydrogen chloride (HC1), europium (III) chloride anhydrous (EuCh) (Aldrich, 99.99%), Lab grade tin (II) chloride anhydrous (Sn[Cl.sub.2]), and triple de-ionized water.
The content of europium (Eu) in sapropelites was defined by instrumental neutron activation analysis technique (INAA).
Importantly, the prices of Ngualla's main value drivers of neodymium, praseodymium and europium, which together comprise 86% of the projects projected annual revenue, have shown the most improvement (Figure 3).
* Other rare earths, lanthanum, europium and ytterbium, used in lithium-ion batteries and elsewhere;
FREIGHT ON BOARD CHINESE DOMESTIC MATERIAL PRICES (USD/kg) PRICES (USD/kg) Lanthanum 66.46 18.28 Cerium 59.31 20.65 Neodymium 244.23 122.76 Praseodymium 209.62 106.94 Samarium 95.31 14.48 Dysprosium 2032.31 1085.35 Europium 3800.00 2228.38 Terbium 2973.85 1767.93 GRAPH 02 PERCENTAGEOF GLOBAL PRODUCTION (MINING) OF KEY MATERIALS WITHIN A SINGLE COUNTRY SOURCE: U.S.
Typically europium salts, terbium salts, and samarium salts, when associated with suitable organic ligands, can absorb light energy and transfer it to the central metal atom to give narrow emission bands in the visible region, usually described as an "antenna effect" (1), (2).
The europium is efficiently used as luminescent center in phosphors for various purposes.
TAEK had established in its own 2007 report that the plant smelted nuclear rods containing europium, normally used in nuclear power plants.