CAS 7440-62-2 V powder owo Vanadium Powder

Vanadium: aami eroja V, irin grẹy fadaka, jẹ ti ẹgbẹ VB ninu tabili igbakọọkan, nọmba atomiki 23, iwuwo Atomiki 50.9414, okuta kristali ti aarin ti ara, valence ti o wọpọ jẹ +5, +4, +3, +2.Aaye yo ti Vanadium ga pupọ, ati nigbagbogbo pẹlu niobium, tantalum, tungsten, molybdenum bi irin refractory.Malleable, O ti wa ni lile ati ti kii-oofa.O jẹ sooro si hydrochloric ati sulfuric acid, ati pe o jẹ sooro si gaasi, iyọ, Omi resistance ni o dara ju ọpọlọpọ awọn irin alagbara.Irin Vanadium ni ipo ipon jẹ iduroṣinṣin diẹ sii ni iwọn otutu yara.Ko ṣe ajọṣepọ pẹlu afẹfẹ, omi tabi alkali ati pe o le koju awọn acids dilute Vanadium jẹ irin fadaka-grẹy.Ojuami yo jẹ 1890 ± 10 ℃, eyiti o jẹ ọkan ninu awọn irin toje pẹlu aaye yo giga.O ni aaye gbigbọn ti 3380 ° C, vanadium mimọ jẹ lile, ti kii ṣe oofa, malleable, ṣugbọn ti o ba wa ninu iye diẹ ti awọn impurities, paapaa nitrogen, oxygen, ati hydrogen, le dinku ṣiṣu wọn ni pataki.