uamea Samarium | Sm pusa | CAS 7440-19-9 | Mea e le masani ai

uamea Samarium | Sm pusa | CAS 7440-19-9 | Mea Fa'apitoa Fa'aalia Ata

Fa'amatalaga Puupuu:

O le Samarium e faʻaaogaina e faʻapipiʻi ai tioata calcium chloride mo le faʻaogaina i lasers mata. E fa'aaogaina fo'i i totonu o tioata fa'amumu fa'amalama ma e pei o se neutron absorber i reactors faaniukilia.

E mafai ona matou tuʻuina atu le mama maualuga 99.9%.

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Auina imeli ia matou

Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga o oloa

Folasaga puupuu
Igoa o oloa: Samarium
Fuafuaga: Sm
Numera CAS: 7440-19-9
Malosi mole: 150.36
Malosi: 7.353 g/cm
Lisi liusuavai: 1072°C
Fa'atusa: 10 x 10 x 10 mm kupita

Samarium o se mea e le masani ai le eleele e pei o se siliva-paʻepaʻe, vaivai, ma ductile uʻamea. O lo'o i ai le mea fa'afefeteina o le 1074 °C (1976 °F) ma le mea fa'afefeteina o le 1794 °C (3263 °F). Ua lauiloa Samarium mo lona gafatia e faʻafefe neutrons ma mo lona faʻaaogaina i le gaosiga o samarium-cobalt maneta, lea e faʻaaogaina i le tele o talosaga, e aofia ai i afi ma afi afi.
O le u'amea Samarium e masani ona gaosia e ala i auala eseese, e aofia ai le eletise ma le fa'aitiitia o le vevela. E masani lava ona fa'atau atu i foliga o ingots, to'oto'o, laupepa, po'o pauta, ma e mafai fo'i ona faia i isi fomu e ala i fa'agasologa e pei o le tu'u po'o le fa'apala.
O le uʻamea Samarium o loʻo i ai le tele o faʻaoga faʻapitoa, e aofia ai i le gaosiga o mea faʻapipiʻi, faʻamalo, ma mea tau eletise, faʻapea foʻi ma le gaosiga o maneta ma isi mea faʻapitoa. E faʻaaogaina foi i le gaosiga o suauʻu faaniukilia ma le gaosiga o tioata faʻapitoa ma keramika.

Fa'amatalaga

Mea:	Samarium
mama:	99.9%
Numera atomika:	62
Malosi	6.9 g.cm-3 ile 20°C
Liu liusuavai	1072 °C
Manu'a	1790 °C
Fua	1 inisi, 10mm, 25.4mm, 50mm, poʻo le faʻapitoa
Fa'atatauga	Meaalofa, saienisi, faʻaaliga, aoina, teuteuga, aʻoaʻoga, suʻesuʻega

Fa'atatauga

Maneta Tumau: O se tasi o faʻaoga sili ona taua o le samarium o le gaosiga o samarium cobalt (SmCo) maneta. O nei maneta tumau e lauiloa ona o lo latou malosi maualuga maneta ma sili ona lelei le mautu o le vevela, ma faʻaogaina lelei mo le faʻaogaina i luga o faʻatinoga maualuga e pei o afi, afi, ma masini. SmCo maneta e sili ona taua i le aerospace ma le puipuiga alamanuia, lea e taua tele le faatuatuaina ma le faatinoga.
Reactors faaniukilia: Samarium o loʻo faʻaaogaina e avea o se neutron absorber i reactors faaniukilia. E mafai ona pu'eina neutrons, ma fesoasoani e pulea le faagasologa fission ma faatumauina le mautu o le reactor. E masani ona tuʻufaʻatasia le Samarium i laʻau faʻatonutonu ma isi vaega, lea e saofagā i le saogalemu ma le lelei o le faʻaogaina o fale eletise faaniukilia.
Phosphors ma moli: E fa'aogaina fa'aputuga Samarium i phosphors mo fa'amalama fa'amalama, ae maise fa'alava fa'alava cathode (CRTs) ma lamepa felanulanua'i. Samarium-doped mea e mafai ona tuʻuina atu le malamalama i galu faʻapitoa, ma faʻaleleia atili ai le lanu lanu ma le lelei o faiga moli. O lenei talosaga e taua tele mo le atinaʻeina o tekonolosi faʻaaliga faʻapitoa ma faʻamalama faʻamalosi malosi.
Su'ega fa'afefiloi: O le Samarium mama e faʻaaogaina e fai ma sui faʻapipiʻi i uʻamea eseese, aemaise lava i le gaosiga o maneta e le masani ai ma isi mea maualuga. O le faʻaopoopoga o le samarium e faʻaleleia ai mea faʻainisinia ma le faʻafefeteina o nei mea faʻapipiʻi, ma faʻaoga talafeagai mo le faʻaogaina i mea tau eletise, taʻavale ma aerospace alamanuia.