1. Except for europium, Cerium is the most

2. Bastnäsite tends to show less of a negative europium anomaly than does monazite, and hence is the major source of europium today.

3. In this manner, the valuable europium content of the ore is rescued for use in phosphor manufacture.

4. Californian bastnäsite now faces stiff competition from Bayan Obo, China, with an even "richer" europium content of 0.2%.

5. Europium oxide (Eu2O3) is widely used as a red phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors.

6. They are similar to terrestrial Basalts, but have many important differences; for example, mare Basalts show a large negative europium anomaly.

7. Europium (Eu) is often regarded as a critical mineral due to its Byproduct nature, importance to lighting technologies, and global supply concentration

8. Prior to europium, the color-TV red phosphor was very weak, and the other phosphor colors had to be muted, to maintain color balance.

9. After dissolving in solution, negatively charged europium complexes are spontaneously caught by positively charged free terminals of anchors attached to nanotubes due to electrostatic interaction.

10. With the brilliant red europium phosphor, it was no longer necessary to mute the other colors, and a much brighter color TV picture was the result.

11. Disclosed are non stoichiometric Copper Alkaline Earth Silicate phosphors activated by divalent europium for using them as high temperature stable luminescent materials for ultraviolet or daylight excitation.

12. Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas.

13. A red light-emitting afterglow photoluminescence phosphor comprising a rare earth oxide sulfide phosphor which is activated by europium and has a chemical composition in the range represented by the following formulae: Ln¿2?

14. Measuring apparatus comprising/containing certified samples of materials, for use exclusively for the calibration of these measuring devices, including metals, alloys, chemicals, minerals, fertilisers, botanical products, gases, biological preparations, carbides, glass, cements, trace elements, radioactive materials (in particular plutonium, uranium, thorium, caesium, americium, radium and europium) molybdenum, isotopic products, reference fuels, goods of rubber