Chemical and physical properties of zirconium
The chemical symbol Zr, atomic number 40, atomic weight 91.224, belongs to the periodic system IVB family. In 1789... , German M.H. Klaprott discovered a new element oxide when analyzing zircon, a new element By Yu zircon (zircon). In 1824, J.J. Bezelius of Sweden reduced potassium zirconate fluoride with metal potassium to produce metal zirconium. The content of zirconium in the earth's crust is 0.025%. The main minerals of zirconium are zircon (ZrSiO4) and zirconium dioxide (ZrO2), zircon and ilmenite, rutile, solitary
2023-03-30
