cerium metal

タイトルまたは説明

Cerium is a chemical element with symbol Ce and atomic number *8. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet cares (itself named for the Roman goddess of agriculture). Cerium is the most abundant of the rare earth elements, making up about 0.***6% of the Earth's crust by weight. It is found in a number of minerals, the most important being monazite and bastnasite. Commercial applications of cerium are numerous. They include catalysts, additives to fuel to reduce emissions and to glass and enamels to change their color. Cerium oxide is an important component of glass polishing powders and phosphors used in screens and fluorescent lamps. It is also used in the "flint" (actually ferrocerium ) of lighters. stock in HONG KONG 1/2ton.pirce: usd$****0/1/2ton.