Products
Niobium | |
Phase pa STP | yakasimba |
Melting point | 2750 K (2477 °C, 4491 °F) |
Boiling point | 5017 K (4744 °C, 8571 °F) |
Density (pedyo ne rt) | 8.57 g/cm3 |
Kupisa kwe fusion | 30 kJ / mol |
Kupisa kwe vaporization | 689.9 kJ/mol |
Molar kupisa simba | 24.60 J/(mol·K) |
Chitarisiko | grey metallic, bluish kana yakasvibiswa |
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Niobium Powder
Niobium Powder (CAS No. 7440-03-1) inopenya grey ine nzvimbo yakakwirira yekunyunguduka uye anti-corrosion. Inotora ruvara rwebluish kana yaiswa kumhepo pamhepo tembiricha kwenguva yakareba. Niobium isimbi isingawanzoitiki, yakapfava, inogoneka, inodururira, grey-white. Iyo ine body-centered cubic crystalline chimiro uye mune yayo yemuviri nemakemikari zvimiro inofanana netantalum. Oxidation yesimbi mumhepo inotangira pa200°C. Niobium, kana yakashandiswa mukubatanidzwa, inovandudza simba. Yayo superconductive zvimiro inowedzerwa kana yasanganiswa ne zirconium. Niobium micron poda inozviwana pachayo mumashandisirwo akasiyana-siyana akadai semagetsi, kugadzira alloy, uye zvekurapa nekuda kwemakemikari ayo anodiwa, emagetsi, uye emuchina.