Yttrium (Y) Powder
Yttrium (Y) Powder has many important applications. The symbol of chemical element Yttriumis Y and is characterized by the atomic number 39, and with an atomic weight of 88,905 u. It belongs to the transition elements of the Scandium group. It was discovered by Johann Gandolin in 1794. It has a stable isotope, 89 Y, which constitutes 100% of the natural element. The Yttrium is very often classified as one of the rare-earth. Yttrium is located in the center of the periodic table within block d. Its melting and boiling point is high and is a good conductor of heat and electricity. In nature its state is solid, it has a silvery-white appearance and it is frequently used as a phosphorus component to produce the red color in the cathode test tubes of color televisions. It is also used in the manufacture of glass and ceramics since it adds resistance to them. Another of its uses is as a catalyst in the polymerization of ethylene.
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