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Titanijum (Ti, latinski - titanium) je metal IVB grupe. Ima 18 izotopa čije se atomske mase nalaze između 46 do 50. Izotopi od 46 do 50 su postojani. Zastupljen je u zemljinoj kori u količini od 5000 ppm (ang. parts per million), u obliku minerala: ilmenita, rutila i titanita.

Otkrio ga je G.W. Creeda 1791 godine, i takođe nezavisno od prvog otkrića otkrio ga je M.H. Klaproth w 1795 godine.

Najvažnije jedinjenje titanijuma je bez sumnje titanijumoksid TiO₂ koji se koristi kao dodatak za izbjeljivanje u pastama, prašcima i farbama.

Biološki značaj - Elementarni titanijum nije otrovan, ali neke njegove soli jesu.

Legure titanijuma su veoma lake i mehanički izdržljive - posebno na razvlačenje i zbog toga se koriste u avioindustriji, a takođe i za pravljenje bicikli i drugih sportskih sprava. Legure titanijuma imaju mnogo bolje osobine od legura aluminija ali su od njih značno skuplje te su zbog toga manje zastupljene

BW Bewise Inc. Willy Chen willy@tool-tool.com bw@tool-tool.com www.tool-tool.com skype:willy_chen_bw mobile:0937-618-190 Head &Administration Office No.13,Shiang Shang 2nd St., West Chiu Taichung,Taiwan 40356 TEL:+886 4 24710048 / FAX:+886 4 2471 4839 N.Branch 5F,No.460,Fu Shin North Rd.,Taipei,Taiwan S.Branch No.24,Sec.1,Chia Pu East Rd.,Taipao City,Chiayi Hsien,Taiwan

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