Selenium
Nkọwa nke ngwaahịa
Nkọwapụta enyere
Ojii ntụ
Ọdịnaya ≥ 99%
(Akara nke ngwa ahịa ")
Selenium nwere altallor anọ: isi awọ nke selenium, ubé na-acha anụnụ anụnụ, na-agbaze ihe dị ka afọ 685.2KOL, soluble na sulfuric acid na chloroform. Selenium monoclium crynal na-acha ọbara ọbara, njupụta dị mma bụ 4.39G / cm³, na-agbaze na mmiri, ethanol, soluble na sulfuric acid na nitric acid; The relative density of red amorphous selenium is 4.26g/cm³, and the relative density of black glassy selenium is 4.28g/cm³. A na-agbanwe ya ka ọ bụrụ selenium selenium na 180 ℃, na isi iyi bụ 685 ℃. Ọ bụ innoluble na mmiri ma jiri ntakịrị mmiri carbon.
Deberight® 'LL na-enye ahaziri iche: ọdịnaya / whiteness / Phvalue / Fillegsto / ngwaahịa ndị ọzọ dị mma maka ọnọdụ gị, ma nye nlele n'efu.
Nkuku ngwaahịa
7782-49-2
231-957
78.96
Ihe na-abụghị ọla
4.81 g / cm³
Na-egbochi mmiri
685℃
220.5 Celsius C
Iji ngwaahịa
Ngwaọrụ eji
Selenium nwere ihe osise foto na foto foto. Arụmọrụ ihu igwe nwere ike ịgbanwe ọkụ ọkụ eletrik, arụmọrụ na-enweghị atụ nwere ike belata nguzogide mgbe ị na-ebilite ọkụ mgbe ọkụ. Enwere ike iji ihe osise na foto nke selenium na mmepụta nke foto na mkpughe maka igwefoto na sel anyanwụ. Selenium nwere ike ịgbanwe ihe ọzọ dị ugbu a n'ụzọ dị ugbu a, yabụ na-ejikarị ya na emepụta usoro iwu. Selenium akpa bụ semiconductor nke enwere ike iji ya na akụkụ siri ike. Na peeji nke, enwere ike iji Selenium detuo akwụkwọ na mkpụrụedemede (tonterges). N'ime ụlọ ọrụ, ụlọ ọrụ na-emepụta mepụta iko mara mma, iko na-acha uhie uhie na enamel.
Medical Grade
Mee ka ihe ojoo
Osisi selenium nwere ike kpochapụ radicals na anụ ahụ, kpochapụ nsí n'ime ahụ, gbochie ọbara ọgbụgba, ma kwalite ọrụ na-enweghị nsogbu mmadụ.
Gbochie shuga
Selenium bụ akụrụngwa nke glutathe peroxidase, nke pụrụ igbochi mbibi oxid nke belọ oxy sel, mee ka ha na-arụ ọrụ, na-akwalite shuga na mmark, ma melite ọrịa ndị ọrịa shuga.
Gbochie cataract
Retina na-emebi emebi n'ihi ngosipụta nke radieshon, Selenium nwere ike ichebe retina, mee ka emecha ya, ma na-eme ka ọ dịkwuo mma, ma na-eme ka ọ dịkwuo mma.
