We are offering selenium powder.Formula se molecular weight 78.96 cas no. 7782-49-2 purity 99.9% 99.99% 99.999% process: selenium is the use of crude selenium in anode mud or high selenium content of industrial waste, purification by wet chemical metallurgy methodapplication: used in the medicine industry, chemical engineering, metallurgy industry, glass industry, electronics industry, static electricity copies, etc.Package: inside is plastic film bag, outside is steel drum or cardboard bucket, net weight is 25 kgdrumspecification se99.99min z fe0.003max as0.001max te0.1max so40.05max h2o0.02max size:(-60mesh)85min high purity selenium(99.99%99.999%)(1)used for far-infrared glass, optical lensesa. Impurity(no more than 100ppm)b. The content of hydrogen, oxygen and carbon in the raw material must not be higher than 10-310-5wt%; various impurities such as advanced micro devices particles. Must be lower than 510-5wt%.C, granularity: granule diameter 2mm.D, package: polyethylene bottle, foil vacuum. (2)used for the electronic materials, compound materials solar photovoltaic cellsa, impurity (no more than 10ppm):b, granularity: 325 eyes 1, 000 eyesc, package: polyethylene bottle, foil vacuum. (3)used for toner cartridge materiala. Lmpurity (no more than 10ppm):b, granularity: granule diameter 2mm; powder:
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Delivery Time : Within 15 days
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Zheng (Anhui Eastern Communication Imp.& Exp. Co., Ltd.)
703 Office,Yinxing Tower, No.1158, Huizhou Ave., Baohe Industrial District, Hefei City 230001, Anhui Province, China, China
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