Cov khoom
Vanadium | |
Cim | V |
Phase ntawm STP | khov kho |
Melting point | 2183 K (1910 ° C, 3470 ° F) |
Boiling point | 3680 K (3407 ° C, 6165 ° F) |
Ceev (ze rt) | 6.11 g / cm3 |
Thaum ua kua (ntawm mp) | 5.5g / cm3 |
Kub ntawm fusion | 21.5 kJ / mol |
Kub ntawm vaporization | 444 kJ / mol |
Molar tshav kub muaj peev xwm | 24.89 J/(mol |
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High purity Vanadium (V) oxide (Vanadia) (V2O5) hmoov Min.98% 99% 99.5%
Vanadium Pentoxidetshwm li daj mus rau liab crystalline hmoov. Me ntsis soluble hauv dej thiab denser dua dej. Kev sib cuag yuav ua rau mob hnyav rau ntawm daim tawv nqaij, qhov muag, thiab cov mucous membranes. Tej zaum yuav muaj tshuaj lom los ntawm kev noj, nqus tau thiab nqus ntawm daim tawv nqaij.