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sehlahisoa

Barium sulfate CAS 13462-86-7

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule BaO4S
'Misa oa Molar 233.39
Botenya 4.5
Melting Point 1580 °C
Boling Point e senyeha ho 1580 ℃ [KIR78]
Ho qhibiliha ha Metsi 0.0022 g/L (50 ºC)
Solubility metsi: a sa qhibidihang
Ponahalo Phofo e tšoeu
Matla a Khoheli a khethehileng 4.5
Mmala E tšoeu ho isa ho mosehla
Moedi wa ho pepeseha ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Solubility Product Constant(Ksp) pKsp: 9.97
Merck 14,994
PH 3.5-10.0 (100g/l, H2O, 20℃) ho emisoa
Boemo ba polokelo Mocheso oa polokelo: ha ho lithibelo.
Botsitso E tsitsitseng.
E hloahloa Ho monya mongobo ha bonolo
MDL MFCD00003455
Thepa ea 'Mele le ea Lik'hemik'hale thepa e se nang mmala orthorhombic kristale kapa phofo e tshweu e nang le sebopeho.
melting ntlha 1580 ℃
boima bo lekanang 4.50(15 ℃)
Sollubility e batla e sa qhibilihe metsing, ethanol le asiti. E qhibiliha ka sulfuric acid e chesang haholo.
kristale ea orthorhombic e se nang 'mala kapa phofo e tšoeu ea amorphous. Boima ba kamano 4.50 (15 degrees C). Sebaka sa ho qhibiliha 1580 °c. Phetoho ea polycrystalline e etsahala hoo e ka bang 1150 °c. Ho bola ho hoholo ho qalile hoo e ka bang 1400 °c. Ho tsitsa ha lik'hemik'hale. Ha e khone ho qhibiliha ka metsing, ethanol le acid. E qhibilihang ka har'a acid e chesang e nang le sulfuric acid, e omeletseng e bonolo ho agglomerate. 600 C ka carbon e ka fokotsoa ho barium sulfide.
Sebelisa Haholo-holo e sebelisoa e le sesebelisoa sa boima bakeng sa seretse sa ho cheka oli le khase ea tlhaho, hape ke lisebelisoa tsa bohlokoa tsa liminerale bakeng sa ho ntša barium ea tšepe le ho lokisa metsoako e sa tšoaneng ea barium. Metsoako ea bohlokoa ka ho fetisisa ea barium indastering ke barium carbonate, barium chloride, sulfuric acid, barium nitrate, barium hydroxide, barium oxide, barium peroxide, barium chromate, Barium manganate, barium chlorate, lithopone, barium polysulfide, joalo-joalo Metsoako ea Barium e sebelisoa haholo. joalo ka lisebelisoa tse tala le li-filler bakeng sa rabara, lipolasetiki, li-pigments, likoahelo, ho etsa pampiri, masela, lipente, li-inks, li-electrode; E sebelisoa e le mafura a thehiloeng ho barium, ho hloekisa oli, tsoekere ea beet, lisebelisoa tse tala tsa Rayon; E sebelisoa e le chefo e bolaeang likokoanyana, li-sterilants, li-rodenticides, liqhomane, Green pyrotechnic, bomo ea matšoao, tracer, matšoao a ho nka lifoto tsa X-ray; E boetse e sebelisoa ka khalase, ceramics, letlalo, lisebelisoa tsa elektronike, thepa ea mohaho, metallurgy le mafapha a mang. Barium tšepe e ka sebelisoa bakeng sa thelevishene le ea sebele

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le haeba e koetsoe.
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerole.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36 - Apara liaparo tse loketseng tsa tšireletso.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane -
RTECS CR0600000
TSCA Ee
Khoutu ea HS 28332700
Chefo LD50 ka molomo ho Mmutla: > 20000 mg/kg

 

Selelekela

E sa latsoeheng, e seng chefo. Ho bola ho feta 1600 ℃. E qhibiliha ka har'a acid e chesang e nang le sulfuric acid, e ke keng ea qhibiliha ka metsing, organic le inorganic acid, caustic solution, e qhibilihang ka har'a asiti e chesang ea sulfuric le e chesang haholo ea sulfuric acid. Lintho tsa lik'hemik'hale li tsitsitse, 'me li fokotsehile ho barium sulfide ka mocheso o nang le carbon. Ha e fetole 'mala ha e pepesetsoa hydrogen sulfide kapa likhase tse chefo moeeng.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona