Views: 0 Author: Site Editor Publish Time: 2020-10-26 Origin: Site
Titanium is a metal chemical element, chemical symbol Ti, atomic number 22, located in the fourth period, IVB group in the periodic table of chemical elements. It is a silver-white transition metal characterized by light weight, high strength, metallic luster, and resistance to wet chlorine corrosion. But titanium cannot be used in dry chlorine. Even dry chlorine at a temperature below 0°C will undergo a violent chemical reaction to form titanium tetrachloride, which will then decompose to form titanium dichloride, or even burn. Only when the water content in chlorine is higher than 0.5%, High Purity Titanium can maintain reliable stability in it.
Titanium is considered to be a rare metal because it is scattered in nature and difficult to extract. But it is relatively rich, ranking tenth among all elements. Titanium ore mainly includes ilmenite and rutile, which are widely distributed in the crust and lithosphere. Titanium is also present in almost all living things, rocks, water bodies and soil. The Kroll method or Hunter method is required to extract titanium from the main ore. The most common compound of titanium is titanium dioxide, which can be used to make white pigments. Other compounds also include titanium tetrachloride (TiCl4) (used as a catalyst and used to make smoke screens for air cover) and titanium trichloride (TiCl3) (used to catalyze the production of polypropylene).
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