Zirconium is a chemical element; it has symbol Zr and atomic number 40. First identified in 1789, isolated in impure form in 1824, and manufactured at scale by 1925, pure zirconium is a lustrous transition metal with a greyish-white color that closely resembles hafnium and, to …

2025年3月3日 · zirconium (Zr), chemical element, metal of Group 4 (IVb) of the periodic table, used as a structural material for nuclear reactors.

Discover the intriguing world of Zirconium, a transitional metal with exceptional properties. This comprehensive guide explores its history, chemical and physical characteristics, sources, and essential uses in industries such as aerospace and healthcare.

Zircon (zirconium silicate, ZrSiO 4) is a natural gemstone and synthetic cubic zirconia (zirconium dioxide, ZrO 2) is produced as a low-cost substitute for diamond. Zirconium based catalysts are used in amination, hydrogenation, isomerization and oxidation reactions.

2008年2月29日 · Zirconium metal has an oxidised surface which is both hard and impervious to chemical attack, making it ideal not only for use in chemical plants but also for body implants such as hip replacement joints.

zirconium, Metallic chemical element, one of the transition elements, chemical symbol Zr, atomic number 40. The metal is hard and brittle when impure, soft and ductile when highly purified. It is relatively abundant, occurring as zircon (also marketed as a natural gemstone) and baddeleyite.

2022年5月18日 · Zirconium is the element of the periodic table with atomic number 40 and element symbol Zr. It is a ductile and malleable silver transition metal with high melting and boiling points. While you may not encounter the pure element, it occurs in familiar products, such as antiperspirants, cubic zirconia gemstones, ceramics, and dental implants.