4N 5N 6N Se Metal Selenium granule
Nkọwa ngwaahịa
Selenium bụ ntụ ntụ na-acha uhie uhie ma ọ bụ isi awọ, nke nwere isi awọ na-acha ntụ ntụ - ọla.N'ime allotrophs siri ike isii a maara, kristal atọ (α monoitalic, β monoitalic, na triangulite isi awọ) bụ ihe kacha mkpa.Sistemu kristal hexagonal isi awọ bụ ihe kwụsiri ike yana njupụta nke 4.81g/cm3.
Ọ dịkwa n'ụdị siri ike amorphous atọ: ụdị enyo abụọ amorphous nke selenium, uhie na oji.Nke mbụ gbajiri agbaji ma nwee njupụta nke 4.26g/cm3.Nke ikpeazụ njupụta 4.28g/cm3, nke ọzọ bụ colloidal selenium.
Nkọwapụta
| Selenium granules metal dị ọcha | |||||
| Nlereanya | 3N | 4.3N | Se.4N | Se.5N | Se.6N |
| Se(Nkeji%) | 99.9 | 99.99 | 99,999 | 99,999 | |
| adịghị ọcha | Ọnụ ego nke 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 | / | / | / |
Nkọwa nkwakọ ngwaahịa
Anyị na-enyekwa ọrụ ahaziri ahazi
Welcom chọrọ COA & nlele efu maka ule
Ngwa
1. Nrụpụta: selenium (I) chlorid, Selenium dichloride, Selenides, mercury selenide.
2. Sayensị elu technology ụlọ ọrụ:-edu ndú selenide, Zinc selenide, ọla kọpa indium gallium diselenide.
3. Electric: semiconductors, electropositive ọla, Tetraselenium tetranitride.
4. Chemistry: Selenols, selenium isotope, Plastics, foto ikpughe.
5. Ngwa ụlọ ọrụ: Ime iko, drum selenium, foto electrostatic, ngwa ngwa anya.
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