国产在线一区二区视频_欧美中日韩免费观看网站}_日b视频在线观看_在线可以免费观看的a√片_亚洲综合另类小说色_在线观看播放另类国产小视频_久久精品国产精品九九_中文字幕在线观视频2020_日本东京热加勒比有码视频一区_免费毛儿一区二区十八岁

Copper sulfate Japan

2022-03-03 370

1、 Overview:

The copper sulfate operated by the company is the first-class or excellent copper sulfate for electroplating in line with Hg / t359two-1999 standard Products. It is a natural crystal and does not need to be crushed, so the iron impurity is lower than that of Shipley company, with higher purity and high quality Quality is the best choice for electroplating of electronic products. two、 Quality standard

Molecular formula CuSOfour?5HtwoO 、分子量 twofour9.68 project requirement CuSOfour?5HtwoO content ≥ 98.5% Lead (PB) ≤ 0.003% Iron (FE) ≤ 0.005% Zinc (Zn) ≤ 0.007% Nickel (Ni) ≤ 0.001% Water insoluble matter ≤ 0.00two% PH 值(5%,two0℃)≤ two.5-5.0

3、 Packaging and storage:

包裝: two0 千克紙箱或塑料袋。 Store in a dry and cool place, avoid rain and high temperature. 保質(zhì)期: 1two 個(gè)月。

4、 Manufacturer:

Kagawa Co., Ltd.