Nkọwa
Selenium dị ọcha Nke 5N 6Nma ọ bụ ịdị ọcha oxygen na-enweghị selenium bụ amorphous isi awọ dara ihe siri ike na arọ atọm 78.89, njupụta 4.81g/cm3na Ebe agbaze 217 Celsius C, nke na-aghọ oji na nguzo na crystalline na kpo oku, soluble na nitric acid gbadoro anya na alkali nkịtị, nsi dị ala.Selenium nwere ike na-ere ọkụ na ikuku iji mepụta selenium oxides abụọ nwere ire ọkụ na-acha anụnụ anụnụ, yana mmeghachi omume na metal ma ọ bụ nke na-abụghị metal gụnyere hydrogen na halogen.A na-eme ka selenium dị ọcha dị elu karịa 99.999% na 99.9999% site na usoro nhazi nke nchacha ọcha.Selenium dị ọcha 5N 6N nwere oxygen na-enweghị oxygen na Western Minmetals (SC) Corporation nwere ịdị ọcha nke 99.999% na 99.9999% n'ụdị -100mesh ntụ ntụ, 1-5mm ogbugba ma ọ bụ granule na 1-10mm oge na-adịghị ahụkebe na ngwugwu 2kg plastik. karama nwere akpa aluminom mechiri emechi n'èzí, ma ọ bụ dị ka ahaziri ahaziri iji ruo ngwọta zuru oke.
Ngwa
A na-eji Selenium Selenium dị ọcha ma ọ bụ ikuku oxygen na-enweghị isi na-eji nkwadebe nke ihe semiconductor mejupụtara dị ka antimony selenide Sb.2Se3, arsenic selenide Dị ka2Se3, cadmium selenide CdSe, ọla kọpa selenide CuSe, molybdenum selenide MoSe2, tin selenide SnSe, tungsten selenide WSe2,Zinc selenide ZnSe na selenide sulfide SeS2wdg isi ihe.Selenium dị ọcha dị elu bụ ihe dị na selenium drum, ihe toner cartridge, fotoconductive na fotovoltaic, foto electrostatic, iko infrared, na ihe ndị ọzọ maka ngwa anya na ngwa.
Nkọwa nka nka
Atọmk No. | 34 |
Atọmk Ibu | 78.98 |
Njupụta | 4.79g/cm3 |
Ebe Na-agbaze | 217°C |
Ebe esi nri | 684.9°C |
CAS Mba. | 7782-49-2 |
Koodu HS | 2804.9090.00 |
Akụrụngwa | Nkọwa ọkọlọtọ | |||
Ịdị ọcha | adịghị ọcha (ICP-MS ma ọ bụ GDMS Test Report, PPM Max nke ọ bụla) | |||
Selenium dị ọcha | 4N | 99.99% | Ag 1.0, Ni/Cu 2.0, Al/Mg/Pb/Cd/Bi/Sb/Ca/Hg/Mn 5.0, Fe/Te 10 | Ngụkọta ≤100 |
5N | 99.999% | Ag/Al/Fe/Mg/Ni 0.5, Cd/Bi/Na 0.2, Pb/Te/Cu 1.0 | Ngụkọta ≤10 | |
6N | 99.9999% | Ag/Al/Fe/Mg/Ni 0.05, Pb/Te/Cu 0.1, Cd/Bi 0.02 | Mkpokọta ≤1.0 | |
Nha | 100mesh atomized ntụ ntụ maka 4N 5N, 1-5mm gbaa, 1-10mm oge ufodu akpụ maka 5N 6N | |||
Nkwakọ ngwaahịa | 1kg na karama polyethylene na igbe katọn n'èzí |
Selenium dị ọcha dị elu 5N 6Nna oxygen free na Western Minmetals (SC) Corporation na ịdị ọcha nke 99.999% na 99.9999% nwere ike nyefee ya n'ụdị -100mesh ntụ ntụ, 1-5mm shot ma ọ bụ granule na 1-10mm oge ufodu akpụ na ngwugwu nke 2kg plastic kalama na akara aluminom mechiri emechi. akpa n'èzí, ma ọ bụ dị ka ahaziri nkọwapụta iru zuru okè ngwọta.
Atụmatụ ịzụ ahịa
Selenium dị ọcha