Samarium birta | Sm cube | CAS 7440-19-9 | Alaabta dhulka naadir

Samarium birta | Sm cube | CAS 7440-19-9 | Waxyaabo naadirka ah oo dhulka ka muuqda Sawirka

Sharaxaad Gaaban:

Samarium waxaa loo isticmaalaa in lagu daro kalsiyum chloride crystals si loogu isticmaalo leysarka indhaha. Waxa kale oo loo isticmaalaa galaaska nuugaya infrared iyo sida nuugista neutron ee reactors nukliyeerka.

Waxaan bixin karnaa nadiif sare 99.9%.

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Faahfaahinta Alaabta

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Sharaxaada Alaabta

Hordhac kooban
Magaca alaabta: Samarium
Formula: Sm
CAS No.: 7440-19-9
Miisaanka Molecular: 150.36
Cufnaanta: 7.353 g/cm
dhibic dhalaalaysa: 1072°C
Qaabka: 10 x 10 x 10 mm cube

Samarium waa curiye dhul naadir ah kaas oo ah bir silbi-cad ah, jilicsan, iyo bir ductile ah. Waxay leedahay barta dhalaalaysa 1074 °C (1976 °F) iyo barta karkarinta 1794 °C (3263 °F). Samarium waxa ay caan ku tahay awoodda ay u leedahay in ay nuugo neutrons iyo in ay u isticmaasho soo saarista magnets-cobalt, kuwaas oo loo isticmaalo codsiyo kala duwan, oo ay ku jiraan matoorada iyo matoorrada.
Birta Samarium waxaa sida caadiga ah lagu soo saaraa habab kala duwan, oo ay ku jiraan electrolysis iyo dhimista kulaylka. Waxaa sida caadiga ah loo iibsadaa qaab calaacalaha, ulo, go'yaal, ama budo, waxaana sidoo kale laga samayn karaa qaabab kale iyada oo loo marayo hababka sida tuurista ama been-abuurka.
Birta Samarium waxay leedahay tiro codsiyo suurtagal ah, oo ay ku jiraan soo saarista kicinta, alwaaxyada, iyo elektiroonigga, iyo sidoo kale soo saarista birta iyo agabka kale ee gaarka ah. Waxa kale oo loo isticmaalaa soo saarista shidaalka nukliyeerka iyo soo saarista muraayadaha gaarka ah iyo ceramics.

Tilmaamid

Qalab:	Samarium
daahirnimo:	99.9%
Lambarka atomiga:	62
Cufnaanta	6.9 g.cm-3 at 20°C
barta dhalaalaysa	1072 °C
Barta bolling	1790 °C
Cabirka	1 inch, 10mm, 25.4mm, 50mm, ama Customized
Codsiga	Hadiyadaha, sayniska, bandhigyada, ururinta, qurxinta, waxbarashada, cilmi baarista

Codsiga

Magnets Joogtada ah: Mid ka mid ah codsiyada ugu muhiimsan ee samarium waa soo saarista samarium cobalt (SmCo) magnets. Magnet-yaashan joogtada ahi waxa ay caan ku yihiin xooggoodu sareeyo iyo degenaansho kulayleed oo aad u fiican, taas oo ka dhigaysa mid ku habboon in loo isticmaalo codsiyada waxqabadka sare leh sida matoorada, koronto-dhaliyeyaasha, iyo dareemayaasha. Magnets-ka SmCo ayaa si gaar ah qiimo ugu leh hawada hawada iyo warshadaha difaaca, halkaas oo isku halaynta iyo waxqabadka ay muhiim u yihiin.
Nuclear Reactors: Samarium waxa loo isticmaalaa sidii nuugiyaha neutron ee reactors nukliyeerka. Waxay awood u leedahay inay qabato neutrons, sidaas darteed waxay gacan ka geysaneysaa in la xakameeyo habka fiska iyo ilaalinta xasilloonida reactor. Samarium inta badan waxaa lagu daraa ulaha kantaroolka iyo qaybaha kale, kuwaas oo gacan ka geysta badbaadada iyo hawlgalka waxtarka leh ee dhirta tamarta nukliyeerka.
Fosfooraska iyo IftiinkaXeryahooda Samarium waxaa loo isticmaalaa fosfooraska loogu talagalay codsiyada nalalka, gaar ahaan tuubooyinka rayiga ee cathode (CRTs) iyo nalalka fluorescent. Qalabka Samarium-doped-ku wuxuu iftiimin karaa iftiinka mawjadaha dhererka gaarka ah, taas oo hagaajinaysa tayada midabka iyo waxtarka hababka iftiinka. Codsigan ayaa muhiim u ah horumarinta tignoolajiyada soo bandhigida horumarsan iyo xalalka iftiinka tamarta-ku-ool ah.
Wakiilka AlloyingSamarium saafi ah waxaa loo isticmaalaa sida walxo daawaha ah ee biraha kala duwan, gaar ahaan soo saarista magnets dhulka dhif ah iyo qalabka kale ee waxqabadka sare. Ku-darka samarium-ku wuxuu hagaajiyaa sifooyinka farsamada iyo iska caabbinta daxalka ee alwaaxyadaas, taasoo ka dhigaysa inay ku habboon yihiin isticmaalka qalabka elektaroonigga ah, baabuurta iyo warshadaha hawada.