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Ngwaahịa

Niobium
Usoro na STP siri ike
Ebe mgbaze 2750K (2477 Celsius, 4491 Celsius)
Ebe esi nri 5017 K (4744 Celsius, 8571 Celsius)
Njupụta (nke dị nso rt) 8.57g/cm3
Okpomọkụ nke ngwakọta 30 kJ / mol
Okpomọkụ nke vaporization 689.9 kJ/mol
Ike okpomọkụ molar 24.60 J/ (mol·K)
Ọdịdị dara isi awọ, na-acha anụnụ anụnụ mgbe oxidized
  • Niobium ntụ ntụ

    Niobium ntụ ntụ

    Niobium Powder (CAS No. 7440-03-1) bụ isi awọ isi awọ nke nwere nnukwu agbaze na mgbochi corrosion.Ọ na-enwe tint na-acha anụnụ anụnụ mgbe ekpughere ya na ikuku n'ime ụlọ ruo ogologo oge.Niobium bụ ihe na-adịghị ahụkebe, dị nro, nke a na-adịghị ahụkebe, ductile, metal na-acha ntụ ntụ.O nwere ihe owuwu cubic crystalline nke gbadoro ụkwụ na ya na n'ime anụ ahụ na kemịkal ya, ọ dị ka tantalum.Ọksidation nke metal na ikuku na-amalite na 200 Celsius.Niobium, mgbe ejiri ya na alloying, na-eme ka ike dịkwuo mma.A na-eme ka ihe ndị na-arụ ọrụ ya dịkwuo mma mgbe ejikọtara ya na zirconium.Niobium micron ntụ ntụ na-ahụ onwe ya na ngwa dị iche iche dị ka ngwá electronic, alloy-mere, na ahụike n'ihi kemịkalụ, ọkụ eletrik na ihe eji arụ ọrụ.