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EUROPIU CAS 7440-53-1 EUROPIU METAL EUROPIU PLASMA EMISSION SPECTROSCOPY STANDARD 

Payment Terms: T/T,L/C,D/A 
Place of Origin: Sichuan, China (Mainland) 
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Product Detail

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Brand Name: MOSINTER
CAS: 7440-53-1
Molecular weight: 151.96
Heat of fusion: 9.21 kJ/mol
Boiling point: 1527 °C
Alias: EUROPIUM METAL
Production Capacity: 50T/Year
Delivery Date: with 7 days
Brand: MOSINTER
Appearance: Silver metal
Molecular Formula: Eu
Melting point: 822 °C
Density: 5.24 g/mL at 25 °C(lit.)

It is named after the continent Europe. It is a moderately hard, silvery metalwhich readily oxidizes in air and water.

EUROPIUM (CAS: 7440-53-1)


Main Content:  Eu/TREM  ≥99.995%

RE Impurities (%/MIN)


Non—RE Impurities (% MIN)

Nd           0.0008

Ca              0.0025

Sm           0.0008

Fe              0.0035

Gd           0.0008

Mg              0.0010

Tb           0.0008

W              0.0055

Dy           0.0020

C              0.0023

Y            0.0008

Mo              0.0003

Particle diameter: 20-30micron

O              0.026


Si              0.0018


Al              0.0010


Cl              0.0045


TREM        99.92% MIN



Europium is a chemical element with the symbol Eu and atomic number 63. It is named after the continent Europe. It is a moderately hard, silvery metalwhich readily oxidizes in air and water. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3, but the oxidation state +2 is also common: all europium compounds with oxidation state +2 are slightly reducing. Europium has no significant biological role and is relatively non-toxic compared to other heavy metals. Most applications of europium exploit the phosphorescence of europium compounds.

Application


Relative to most other elements, commercial applications for europium are few and rather specialized. Almost invariably, they exploit its phosphorescence, either in the +2 or +3 oxidation state.

It is a dopant in some types of glass in lasers and other optoelectronic devices. Europium oxide (Eu2O3) is widely used as a red phosphor in television setsand fluorescent lamps, and as an activator for yttrium-based phosphors. Color TV screens contain between 0.5 and 1 g of europium. Whereas trivalent europium gives red phosphors, the luminescence of divalent europium depends on the host lattice, but tends to be on the blue side. The two classes of europium-based phosphor (red and blue), combined with the yellow/green terbium phosphors give "white" light, the color temperature of which can be varied by altering the proportion or specific composition of the individual phosphors. This phosphor system is typically encountered in helical fluorescent light bulbs. Combining the same three classes is one way to make trichromatic systems in TV and computer screens. Europium is also used in the manufacture of fluorescent glass. One of the more common persistent after-glow phosphors besides copper-doped zinc sulfide is europium-doped strontium aluminate.Europium fluorescence is used to interrogate biomolecular interactions in drug-discovery screens. It is also used in the anti-counterfeiting phosphors in eurobanknotes.

An application that has almost fallen out of use with the introduction of affordable superconducting magnets is the use of europium complexes, such asEu(fod)3, as shift reagents in NMR spectroscopy. Chiral shift reagents, such as Eu(hfc)3, are still used to determine enantiomeric purity.

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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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