Apejuwe
Selenium ti nw ga Ṣe 5N 6Ntabi atẹgun ti o ni mimọ ti o ni ọfẹ selenium jẹ amorphous grẹy ti fadaka luster ohun elo to lagbara pẹlu iwuwo atomiki 78.89, iwuwo 4.81g/cm3ati yo ojuami 217°C, eyi ti o ti di dudu lori duro ati ki o kirisita lori alapapo, tiotuka ni ogidi nitric acid ati ni wọpọ alkali, kekere majele ti.Selenium le sun ni afẹfẹ lati ṣe ina awọn oxides selenium meji pẹlu ina buluu, ati tun ṣe iṣesi pẹlu irin tabi ti kii ṣe irin taara pẹlu hydrogen ati halogen.Selenium mimọ to gaju ti diẹ sii ju 99.999% ati 99.9999% jẹ mimọ nipasẹ ilana ti awọn imudọgba isọdọtun.Selenium ti o ga julọ 5N 6N pẹlu atẹgun ọfẹ ni Western Minmetals (SC) Corporation pẹlu mimọ ti 99.999% ati 99.9999% ni a le jiṣẹ ni irisi -100mesh lulú, 1-5mm shot tabi granule ati 1-10mm odidi alaibamu ni package ti ṣiṣu 2kg igo pẹlu apo alumọni apapo ti a fi edidi ni ita, tabi bi iyasọtọ ti a ṣe adani lati de ojutu pipe.
Awọn ohun elo
Selenium ti o ga julọ tabi atẹgun ti o ni mimọ ti o ni ọfẹ selenium jẹ lilo akọkọ ni igbaradi ti awọn ohun elo semikondokito bii antimony selenide Sb2Se3, arsenic selenide Bi2Se3, cadmium selenide CdSe, Ejò selenide CuSe, molybdenum selenide MoSe2, Tin selenide SnSe, tungsten selenide WSe2,zinc selenide ZnSe ati selenide sulfide SeS2ati be be lo mimọ ohun elo.Selenium mimọ to gaju jẹ ohun elo ilu selenium, ohun elo katiriji toner, photoconductive ati ohun elo fọtovoltaic, aworan elekitiroti, gilasi infurarẹẹdi, ati awọn ohun elo miiran fun awọn ẹrọ opiti ati awọn ohun elo.
Imọ Specification
Atomic No. | 34 |
Iwọn Atomiki | 78.98 |
iwuwo | 4.79g/cm3 |
Ojuami Iyo | 217°C |
Ojuami farabale | 684.9°C |
CAS No. | 7782-49-2 |
HS koodu | 2804.9090.00 |
Eru | Standard Specification | |||
Mimo | Aimọ (ICP-MS tabi Iroyin Idanwo GDMS, PPM Max kọọkan) | |||
Selenium ti nw ga | 4N | 99.99% | Ag 1.0, Ni/Cu 2.0, Al/Mg/Pb/Cd/Bi/Sb/Ca/Hg/Mn 5.0, Fe/Te 10 | Lapapọ ≤100 |
5N | 99.999% | Ag/Al/Fe/Mg/Ni 0.5, Cd/Bi/Ni 0.2, Pb/Te/Cu 1.0 | Lapapọ ≤10 | |
6N | 99.9999% | Ag/Al/Fe/Mg/Ni 0.05, Pb/Te/Cu 0.1, Cd/Bi 0.02 | Lapapọ ≤1.0 | |
Iwọn | 100mesh atomized lulú fun 4N 5N, 1-5mm shot, 1-10mm odidi alaibamu fun 5N 6N | |||
Iṣakojọpọ | 1kg ni igo polyethylene pẹlu apoti paali ni ita |
Selenium ti o ga julọ 5N 6Npẹlu atẹgun ọfẹ ni Western Minmetals (SC) Corporation pẹlu mimọ ti 99.999% ati 99.9999% ni a le jiṣẹ ni irisi -100mesh lulú, 1-5mm shot tabi granule ati 1-10mm odidi alaibamu ni package ti 2kg ṣiṣu igo pẹlu aluminiomu idapọmọra. apo ita, tabi bi adani sipesifikesonu lati de ọdọ ojutu pipe.
Awọn imọran rira
Selenium ti nw ga