Yttrium is a soft, silver-metallic, lustrous and highly crystalline transition metal in group 3. As expected by periodic trends, it is less electronegative than its predecessor in the group, scandium, and less electronegative than the next member of period 5, zirconium.

2024年10月1日 · The raw yttrium metal exhibits an absolute purity of approximately 97.39 wt %, with notable impurities such as Ca, Cr, Fe, O, and N present at concentrations of 1800 μg/g, 1100 μg/g, 4000 μg/g, 9400 μg/g, and 6600 μg/g respectively.

2019年6月15日 · This paper discusses the economic rationale of recycling exhaustible raw materials and assesses how a circular economy perspective can improve the sustainable use of critical raw materials (CRMs). We use the case study of yttrium, a rare-earth element (REE) on the EU list of CRMs, given its widespread use in the electronics industry and the ...

2025年1月27日 · Y, one of the isotopes of yttrium, exists in equilibrium with its parent Sr, a product of atomic explosions. Yttrium has been considered for use as a nodulizer for producing nodular cast iron, in which the graphite forms compact nodules instead of the usual flakes.

Yttrium is a rare earth element used in nuclear reactors and hydrogen electrolyzers. The United States Geological Survey (USGS) publishes annual summary reports that provide estimates of reserve and production statistics for individual minerals and materials in specific countries.

Production and Price of Yttrium. Raw materials prices change daily. They are primarily driven by supply, demand and energy prices. In 2019, prices of pure Yttrium were at around 2200 $/kg. Commercially yttrium is refined from monazite and bastnasite sands which contain approximately 3% ands 0.2% respectively.

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Yttrium, atomic no. 39, symbol Y, weight at 88.91, has the highest thermo-dynamic affinity for oxygen of any element, this characteristic is the basis for many of its applications. While not part of the rare earth series, it resembles the heavy rare earths which are sometimes referred to as the yttrics for this reason.

Yttrium is one of the elements used to make the red color in CRT televisions. As a metal, it is used on the electrodes of some high-performance spark plugs. Yttrium is also used in the manufacturing of gas mantles for propane lanterns as a replacement for Thorium.

2023年6月30日 · Yttrium metal is ductile and silvery. Powdered samples and turnings from machining can burst into flame. Most commercial yttrium is produced from monazite sands which are also the source for most of the rare earth elements.