Karfe 99.9%
Gabatarwa BreifnaBariumkarfe granules:
Sunan samfurin: Barium karfe granules
Saukewa: 7440-39-3
Tsafta: 99.9%
Formula: Ba
Girman: -20mm, 20-50mm (ƙarƙashin man ma'adinai)
Matsayin narkewa: 725 ° C (lit.)
Tushen tafasa: 1640 ° C (lit.)
Girman: 3.6 g/ml a 25 ° C (lit.)
Yanayin ajiya. yankin da babu ruwa
Form: guntun sanda, chunks, granules
Takamaiman Nauyi: 3.51
Launi: Silver-launin toka
Juriya: 50.0 μΩ-cm, 20 ° C
Barium wani sinadari ne mai alamar Ba da lambar atomic lamba 56. Shi ne kashi na biyar a Rukuni na 2, karfen duniya mai laushi na azurfa. Saboda yawan amsawar sinadarai, barium ba a taɓa samun shi a cikin yanayi azaman sinadari na kyauta ba. Hydroxide, wanda aka sani a tarihin zamani kamar baryta, baya faruwa a matsayin ma'adinai, amma ana iya shirya shi ta hanyar dumama barium carbonate.
Aikace-aikace: Ƙarfe da kayan haɗi, masu ɗaukar kayan aiki; gubar – tin soldering gami - don ƙara creep juriya; gami da nickel don walƙiya; ƙari ga ƙarfe da jefa baƙin ƙarfe a matsayin inoculant; gami da alli, manganese, silicon, da aluminium a matsayin manyan deoxidizers na karfe.Barium yana da ƴan aikace-aikacen masana'antu. An yi amfani da ƙarfe a tarihi don ɓata iska a cikin bututun injin. Wani sashi ne na YBCO (superconductors masu zafin jiki) da kuma yumbu na lantarki, kuma ana ƙara shi zuwa ƙarfe da simintin ƙarfe don rage girman ƙwayar carbon a cikin microstructure na ƙarfe.
Barium, a matsayin ƙarfe ko lokacin da aka haɗa shi da aluminium, ana amfani da shi don cire iskar gas da ba'a so (guttering) daga bututun mara amfani, kamar bututun hoton TV. Barium ya dace da wannan dalili saboda ƙarancin tururinsa da sake kunnawa zuwa oxygen, nitrogen, carbon dioxide, da ruwa; yana iya ko da wani bangare cire iskar gas mai daraja ta hanyar narkar da su a cikin lattice crystal. Wannan aikace-aikacen yana ɓacewa a hankali saboda karuwar shaharar LCD da saitin plasma maras bututu.
Barium, a matsayin ƙarfe ko lokacin da aka haɗa shi da aluminium, ana amfani da shi don cire iskar gas da ba'a so (guttering) daga bututun mara amfani, kamar bututun hoton TV. Barium ya dace da wannan dalili saboda ƙarancin tururinsa da sake kunnawa zuwa oxygen, nitrogen, carbon dioxide, da ruwa; yana iya ko da wani bangare cire iskar gas mai daraja ta hanyar narkar da su a cikin lattice crystal. Wannan aikace-aikacen yana ɓacewa a hankali saboda karuwar shaharar LCD da saitin plasma maras bututu.
COA na Barium karfe granules