Barium metal 99.9%
Mmeghe nke BreifnkeBariummetal granules:
Aha ngwaahịa: Barium metal granules
Cas: 7440-39-3
Ịdị ọcha: 99.9%
Formula: Ba
Size: -20mm, 20-50mm (n'okpuru ịnweta mmanụ)
Ebe mgbaze: 725 Celsius (ọkụ)
Ebe a na-esi esi: 1640 Celsius (ọkụ)
Njupụta: 3.6 g/ml na 25 Celsius C (ọkụ)
Okpomọkụ nchekwa. ebe mmiri na-adịghị
Ụdị: Mpekere mkpanaka, chunks, granules
Nnukwu ike ndọda: 3.51
Agba: Silver-Grey
Nguzogide:50.0 μΩ-cm, 20°C
Barium bụ ihe mejupụtara kemịkalụ nwere akara Ba na nọmba atọm 56. Ọ bụ mmewere nke ise n'ime otu 2, metal earth silvery dị nro. N'ihi mmeghachi omume kemịkalụ dị elu, a naghị ahụ barium na okike dị ka ihe nwere onwe ya. Hydroxide ya, nke a maara na akụkọ ihe mere eme nke oge a dị ka baryta, adịghị eme dị ka ịnweta, ma enwere ike ịkwadebe ya site na ikpo ọkụ barium carbonate.
Ngwa: metal na alloys, na-ebu alloys; lead–tin soldering alloys – ime ka ihe na-akpụ akpụ na-eguzogide; alloy na nickel maka spark plugs; mgbakwunye na ígwè na nkedo ígwè dị ka inoculant; alloys nwere calcium, manganese, silicon, na aluminom dị ka ígwè deoxidizers dị elu.Barium nwere naanị ngwa ụlọ ọrụ ole na ole. A na-eji ígwè ahụ eme ihe n'akụkọ ihe mere eme iji gwuo ikuku n'ime tubes agụụ. Ọ bụ akụkụ nke YBCO (elu-okpomọkụ superconductors) na electro ceramics, na-agbakwunyere na ígwè na nkedo ígwè iji belata nha nke carbon grains n'ime microstructure nke metal.
A na-eji Barium, dị ka ígwè ma ọ bụ mgbe a na-ejikọta ya na aluminom, iji wepụ gas (guttering) na-achọghị na tubes na-ekpo ọkụ, dị ka tubes foto TV. Barium dabara maka ebumnuche a n'ihi nrụgide ikuku dị ala na mmeghachi omume n'akụkụ oxygen, nitrogen, carbon dioxide, na mmiri; ọ pụrụ ọbụna ewepụtụ gasị mma site igbari ha na kristal lattice. Ngwa a na-eji nwayọọ nwayọọ na-apụ n'anya n'ihi mmụba na-ewu ewu nke LCD tubeless na plasma sets.
A na-eji Barium, dị ka ígwè ma ọ bụ mgbe a na-ejikọta ya na aluminom, iji wepụ gas (guttering) na-achọghị na tubes na-ekpo ọkụ, dị ka tubes foto TV. Barium dabara maka ebumnuche a n'ihi nrụgide ikuku dị ala na mmeghachi omume n'akụkụ oxygen, nitrogen, carbon dioxide, na mmiri; ọ pụrụ ọbụna ewepụtụ gasị mma site igbari ha na kristal lattice. Ngwa a na-eji nwayọọ nwayọọ na-apụ n'anya n'ihi mmụba na-ewu ewu nke LCD tubeless na plasma sets.
COA nke Barium metal granules
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