Imikhiqizo
I-Niobium | |
Isigaba ku-STP | okuqinile |
Iphoyinti lokuncibilika | 2750 K (2477 °C, 4491 °F) |
Iphuzu elibilayo | 5017 K (4744 °C, 8571 °F) |
Ukuminyana (eduze ne-rt) | 8.57 g/cm3 |
Ukushisa kwe-fusion | 30 kJ/mol |
Ukushisa kwe-vaporization | 689.9 kJ/mol |
Umthamo wokushisa we-molar | 24.60 J/(mol·K) |
Ukubukeka | i-metallic empunga, eluhlaza okwesibhakabhaka lapho i-oxidized |
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I-Niobium Powder
I-Niobium Powder (i-CAS No. 7440-03-1) impunga ngokukhanyayo enephuzu lokuncibilika eliphezulu kanye ne-anti-corrosion. Kuthatha umbala oluhlaza okwesibhakabhaka lapho kuvezwe emoyeni emazingeni okushisa asekamereni isikhathi eside. I-Niobium iyinsimbi eyivelakancane, ethambile, ethambile, edonsayo, empunga-mhlophe. Inokwakheka kwekristalu eyi-cubic egxile emzimbeni futhi ezindaweni zayo ezibonakalayo namakhemikhali ifana ne-tantalum. I-oxidation yensimbi emoyeni iqala ku-200°C. I-Niobium, lapho isetshenziselwa i-alloying, ithuthukisa amandla. Izakhiwo zayo ze-superconductive ziyathuthukiswa uma zihlanganiswa ne-zirconium. I-Niobium micron powder izithola isezinhlelweni ezahlukene ezifana ne-electronics, i-alloy-making, kanye nezokwelapha ngenxa yamakhemikhali ayo afiselekayo, ugesi kanye nemishini.