4N 5N 6N Se Metal Selenium granule
Whakaahuatanga Hua
Ko te Selenium he paura whero, hina hina ranei, me te ahua o te konumohe hina.O nga allotroph totoka e ono e mohiotia ana, e toru nga tioata (α monoitalic, β monoitalic, me te triangulite hina) te mea tino nui.Ko te punaha tioata hexagonal hina te tino pumau me te kiato o te 4.81g/cm3.
Kei roto ano i nga ahua totoka amorphous e toru: e rua nga ahua karaihe amorphous o selenium, whero me te pango.He pakarukaru te mea o mua, he 4.26g/cm3 te kiato.Ko te kiato o muri 4.28g/cm3, ko tetahi atu he selenium colloidal.
Whakatakotoranga
| Te whakarewa parakore Selenium granules hanganga | |||||
| Tauira | 3N | 4.3N | Se.4N | Se.5N | Se.6N |
| Se(Min%) | 99.9 | 99.99 | 99.999 | 99.9999 | |
| poke | MAX PPM | ||||
| Cu | 10 | 5 | 3 | 0.2 | 0.05 |
| Ag | 30 | 5 | / | 0.2 | 0.05 |
| Mg | / | 10 | 8 | 0.5 | 0.1 |
| Sb | 10 | / | 5 | 0.5 | / |
| Ni | 20 | 10 | 5 | 0.2 | 0.05 |
| Bi | / | 10 | 5 | 0.5 | 0.05 |
| In | / | / | / | 0.5 | 0.05 |
| Fe | 400 | 10 | 10 | 0.5 | 0.1 |
| Cd | / | / | / | 0.2 | 0.05 |
| Te | 70 | 5 | 10 | 0.5 | 0.1 |
| SI | / | 10 | 9 | 0.5 | / |
| Al | 10 | 8 | 0.5 | 0.05 | |
| Pb | 300 | 10 | 5 | 0.5 | 0.05 |
| Sn | 10 | 5 | / | / | |
| S | 200 | 10 | 40 | / | / |
| As | 30 | 5 | / | / | / |
Nga Taipitopito mokete
Ka tukuna ano e matou nga ratonga kua whakaritea
Ka tono a Welcom ki te COA me te tauira kore utu mo te Whakamatau
Taupānga
1. Hangahanga:Selenium(I) chlorid,Selenium dichloride,Selenides, mercury selenide.
2. Pūtaiao ahumahi hangarau tiketike: Lead selenide, zinc selenide, parahi indium gallium diselenide.
3. Hiko: Semiconductor, konganuku hiko, Tetraselenium tetranitride.
4. Matū: Selenols, selenium isotope, Kirihou, whakaaturanga whakaahua.
5. Te tono Ahumahi: Te hanga karaihe, te pahū selenium, te whakaahua hiko, te taputapu mata.
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