Hoʻolauna pōkole
inoa huahana: Samarium
Kumu: Sm
Helu CAS: 7440-19-9
Kaumaha Molekala: 150.36
Māmā: 7.353 g/cm
Ka helu hehee: 1072°C
Kinohi: 10 x 10 x 10 mm cube
ʻO Samarium kahi mea ʻeleʻele ʻeleʻele ʻeleʻele keʻokeʻo keʻokeʻo, palupalu a ductile.He helu hehee kona 1074 °C (1976 °F) a me kahi helu hoʻolapalapa o 1794 °C (3263 °F).ʻIke ʻia ʻo Samarium no kona hiki ke komo i nā neutrons a no kona hoʻohana ʻana i ka hana ʻana i nā magnet samarium-cobalt, i hoʻohana ʻia i nā ʻano hana like ʻole, e komo pū me nā motika a me nā mea hana.
Hana ʻia ka metala Samarium ma o nā ʻano hana like ʻole, me ka electrolysis a me ka hōʻemi wela.Kūʻai maʻamau ia ma ke ʻano o nā ingots, nā koʻokoʻo, nā lau, a i ʻole nā pauka, a hiki ke hana ʻia i nā ʻano ʻē aʻe ma o nā kaʻina hana e like me ka hoʻolei ʻana a i ʻole forging.
Loaʻa i ka metala Samarium kekahi mau noi kūpono, e like me ka hana ʻana i nā catalysts, alloys, a me nā uila, a me ka hana ʻana i nā magnets a me nā mea kūikawā ʻē aʻe.Hoʻohana ʻia ia i ka hana ʻana i nā wahie nuklea a i ka hana ʻana i nā aniani kūikawā a me nā seramika.
Material: | Samarium |
Maʻemaʻe: | 99.9% |
Helu ʻAtoma: | 62 |
ʻO ka mānoanoa | 6.9 g.cm-3 ma 20°C |
Lae hehee | 1072 °C |
Lae hoʻolele | 1790 °C |
Anana | 1 ʻīniha, 10mm, 25.4mm, 50mm, a i ʻole i hana ʻia |
Palapala noi | Nā makana, ʻepekema, hōʻikeʻike, hōʻiliʻili, kāhiko, hoʻonaʻauao, noiʻi |
ʻO Samarium kahi metala keʻokeʻo keʻokeʻo no ka hui lanthanide o ka papaʻaina.He kūpaʻa ʻo ia ma ka lumi wela ma ka ea maloʻo, akā e ʻā ia i ka wā i wela ai ma luna o 150 C a hana i kahi uhi oxide i loko o ka ea mākū.LikeeuropiumLoaʻa i ka samarium kahi kūlana oxidation paʻa (II).