Ang Zirconium ay isang elemento na karaniwang ginagamit bilang isang opacifier at refractory, kahit na ito ay ginagamit din sa iba pang mga application. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Magbasa pa »



