Is e pùdar dearg no glas a th’ ann an selenium, le luster glas meatailteach quasi - meatailt.De na sia allotrophs cruaidh aithnichte, is e trì criostalan (α monoitalic, β monoitalic, agus triangulite glas) an fheadhainn as cudromaiche.Is e an siostam criostal sia-thaobhach glas an fheadhainn as seasmhaiche le dùmhlachd de 4.81g / cm3.
Tha e cuideachd ann an trì riochdan cruaidh amorphous: dà chruth glainne amorphous de selenium, dearg is dubh.Tha a’ chiad fhear brisg agus tha dùmhlachd de 4.26g/cm3 ann.Is e an dùmhlachd mu dheireadh 4.28g / cm3, selenium colloidal am fear eile.
Co-dhèanamh gràinnean Selenium fìor-mheatailt | |||||
Modail | 3N | 4.3N | Se.4N | Se.5N | Se.6N |
Se(Min%) | 99.9 | 99.99 | 99.999 | 99.9999 | |
Neo-dhìomhaireachd | 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 | / | / | / |
Bidh sinn cuideachd a’ tabhann seirbheisean gnàthaichte
Feumaidh Welcom COA & sampall an-asgaidh airson Deuchainn
1. Dèanamh: selenium (I) chlorid, Selenium dichloride, Selenides, mercury selenide.
2. Gnìomhachas saidheans àrd-theicneòlas: luaidhe selenide, sinc selenide, copar indium gallium diselenide.
3. Dealain: semiconductors, electropositive meatailtean, Tetraselenium tetranitride.
4. Ceimigeachd: Selenols, selenium isotope, Plastaigean, taisbeanadh dhealbhan.
5. Gnìomhachas iarrtas: glainne dèanamh, selenium druma, electrostatic dealbh, optigeach ionnstramaid.