Cas 7782-49-2 maʻemaʻe kiʻekiʻe 99.9% -99.999% Selenium Se pauka
Hōʻike huahana
pauda metala selenium
1. Nā hiʻohiʻona
| hōʻailona: | Se |
| CAS | |
| Helu ʻAtoma: | 34 |
| Kaumaha ʻAtoma: | 78.96 |
| ʻAiʻa: | 4.79 gm/cc |
| Lae hehee: | 217 oC |
| Lae paila: | 684.9 oC |
| ʻO ka wela wela: | 0.00519 W/cm/K @ 298.2 K |
| Ke kū'ē uila: | 106 microhm-cm @ 0 oC |
| Electronegativity: | 2.4 Paulings |
| Wela Kūikawā: | 0.767 Cal/g/K @ 25 oC |
| Wela o ka mahu: | 3.34 K-cal/gm atom ma 684.9 oC |
| Wela o ka hui ʻana: | 1.22 Cal/gm mole |
3. Nā pōʻino
SeleniumʻO nā paʻakai he mea ʻawaʻawa i ka nui, akā pono nā ʻāpana liʻiliʻi no ka hana kelepona
4. Nā noi
Seleniumhoʻohana ʻia i kēia manawa i nā ʻano hana like ʻole, mai ke aniani a me nā noi metallurgical i ka puaʻa, ka mahiʻai a me ka uila.
Palapala：
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