国产在线 | 日韩,疯狂做受xxxx高潮不断,影音先锋女人aa鲁色资源,欧美丰满熟妇xxxx性大屁股

規(guī)格：

高純硫：99.999% S-5N-P-31

    檢測(cè)雜質(zhì)：Al, As, Co, Cu, Fe, Mn, Ni, Pb, Se, Sn, Zn

    雜質(zhì)總含量：≤10ppm

     高純硫：99.9999% S-6N-P-32

     檢測(cè)雜質(zhì)：Al, Co, Cu, Fe, Mn, Ni, Pb, Sn

     雜質(zhì)總含量：≤1ppm

用途：主要用于制備Ⅱ-Ⅴ族化合物半導(dǎo)體、光電器件、玻璃半導(dǎo)體元件以及分析標(biāo)樣。

包裝：聚乙烯塑料瓶包裝，外套雙層復(fù)合膜真空封裝或直接玻璃管真空封裝。

Specification:

 High purity S: 99.999% S-5N-P-31

 Testing impurity: Al, As, Co, Cu, Fe, Mn, Ni, Pb,Se, Sn, Zn

Total impurity content: ≤10ppm

 High purity S: 99.9999% S-6N-P-32

 Testing impurity: Al, Co, Cu, Fe, Mn, Ni, Pb, Sn

Total impurity content: ≤1ppm

Application:Sulphur is primarily used in the manufacture ofⅡ-Ⅴcompound semiconductors,photoelectric device and glass semiconductor elements and as calibrationspecimens in analyses.

Package: Packed withpolythene plastic bottle, and double poly-film with vacuum encapsulation.Packed with glass tube with vacuum encapsulation directly.