免费观看理论片毛片-免费观看久久-免费观看黄a一级视频日本-免费观看黄a一级视频-91传媒视频-91吃瓜

規格：

高純鋅：99.999% Zn-5N-I-21

    檢測雜質：Ag, Al, As, Cd, Co, Cu, Fe, In, Mg, Ni, Pb, Sn

    雜質總含量：≤10ppm

     高純鋅：99.9999% Zn-6N-I-22

     檢測雜質：Ag, Al, As, Cd, Co, Cu, Fe, In, Pb, Sn

     雜質總含量：≤1ppm

用途：主要用于制備化合物半導體、還原劑、合金及汽車工業中精密鑄件等。

包裝：滌綸薄膜包裝后雙層復合膜真空封裝或直接玻璃管真空包裝。

Specification:

 High purity Zn: 99.999% Zn-5N-I-21

 Testing impurity: Ag, Al, As, Cd, Co, Cu, Fe, In,Mg, Ni, Pb, Sn

Total impurity content: ≤10ppm

 High purity Zn: 99.9999% Zn-6N-I-22

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

Total impurity content: ≤1ppm

Application: Zincis primarily used in the manufacture of compound semiconductors, reductant,alloys and precision casting in automobile industry etc.

Package: Packed with terylene film, and double poly-film with vacuumencapsulation. Packed with glass tube with vacuum encapsulation directly.