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Molecular formula: TI
molecular weight: 47.867
CAS:
density: 4.5
melting point: 1725 ° C
boiling point: >3260 ° C
characters: the silvery white metal, scalability.
solution: dissolve hydrochloric acid, concentrated sulfuric acid, aqua regia, phosphoric acid, hydrofluoric acid and alkaline medium concentration in the solution.
purposes: for steelmaking, steel added 0.1% titanium can greatly improve the quality of steel. Its alloy widely used in civilian and military industries, particularly in the aerospace industry.
preparation or sources: titanium in the earth's crust to TiO2 and titanates exist. Major minerals are ilmenite, rutile, titanium magnetite, and perovskite. By titanium tetrachloride with magnesium or sodium reduction in the system.
Note: atomic number 22, atomic weight 47.867 valence +2, +3, +4. In non-functional in cold water. Have excellent corrosion resistance, from the atmosphere and water erosion. With various concentrations of nitric acid, H2SO4 and the role of various dilute alkali very slow. Dissociation can oxide (Do): 6.9 (eV) elements of ionizing energy (Ei): 6.82 (eV) and the main absorption of the main parameters: gender ------------------- ------------------- abroad abroad - abroad - abroad -- -- abroad -------------------- -------------------- rural abroad �λ (nm) | f | W | F | S * | R | S | CL / - - 250,000 - 250,000 - 250,000 - 250,000 - - -- 250,000 250,000 -------------------- -------------------- disrupt | | 365.4 0.2 0.22 | N | | A 1.5 - 0.4 | | | 1.0 Destiny 364.3 0.2 0.25 | - A | N | | | | | 337.2 1.1 0.20 | | | A - 0.2 A | | | | | | | 320.0 0.2 | N | | | A - 1.2 Destiny Destiny 0.2 363.6-A | N | | | | | 335.5 1.2 0.2 Destiny-A | N | | | | | 319.2 1.4 0.2 Destiny A-A | | | | | | | | 375.3 - 0.2 A | N | | | | | 334.2 1.6 0.2 | A | | | | | A-1.6 Destiny 264 Destiny 0.2 .7-A | | A | | | | | | 264.4 0.2-A | | A | | | | | | 399.9 0.2 A-A | | | | 1. 6 Destiny 399.0 0.2 | | | A | | | A-1.9 295.6 | | | | | A - 0.2 A | | | | | | | 0.2 | 394.8 N - A Destiny Destiny Supported ------------------ -------------------- Demonstration Demonstration Demonstration - - - - Demonstration Demonstration -------------------- -------------------- Demonstration interview λ: wavelength f: oscillator strength W: monochromator-band spectra of N-A ( nitrous oxide - acetylene flame) S: * Elements of concentration (1% absorption sensitivity) CL: Elements of the detection limit R S: The same major elements of the relative absorption sensitivity F: Flame types
categories: single quality
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