Seleni mama maualuga 99.999% 99.9999% 5n 6n Seleni Metal Price Seleni Powder

Seleni mama maualuga 99.999% 99.9999% 5n 6n Seleni uamea Tau Seleni Powder Fa'aalia Ata

Fa'amatalaga Puupuu:

Nofoaga na afua mai ai:Sichuan, Saina
Igoa Fa'ailoga:kigoda
Talosaga:e fai fa'atasiga seleni
Fa'atusa:pa'u seleni foliga concave
Mea:seleni granulated 99.999%
Fua'iga vaila'au:Seleni
Fa'aaliga:u'amea lanu efuefu pe uliuli granules
Numera CAS:7782-49-2
mama:99.999%, 99.9999%
Vasega:Vasega Fa'atosina
EINECS Numera:231-194-7

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Fa'amatalaga Oloa

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Fa'amatalaga o oloa

Se Seleni
	Meatotino faaletino: numera atomic o le 34, mamafa atomika o le 78.89. Density o le 4.81g/cm3, le liusuavai o le 217 ℃, o le vevela o le 684.9 ℃. Seleni o se malosi ma le luster u'amea efuefu.
	Mea tau vailaʻau: Seleni e mafai ona mu i le ea ma auina atu i fafo moli lanu moana, faʻatupuina lua seleni oxide.Iit e mafai foi ona tali saʻo i le uamea poʻo le le faʻaogaina saʻo, e aofia ai le hydrogen ma le halogen, ae e le mafai ona tali atu i le inoxidability acid.
Fa'amatalaga	Se-5N(99.999%)	Se-6N(99.9999%)
Aofa'i mea le mama	≤10ppm	≤1ppm
Fa'atatauga	Seleni e masani ona faʻaaogaina i mea o le toner cartridge, mea photoelectric, ata eletise ma isi mea o meafaifaʻaili mata.