论文部分内容阅读
据墨西哥Penoles工业股份公司金属分公司的资料介绍,该公司曾先后经营了三家金银精炼厂:第1家厂于1934年被烧毁,第2家厂于1976年关闭,从那时起经营第3家厂——世界上最大的银生产厂家。该厂采用电解法生产纯度99.99％的银。
According to information from the Penoles Industrial Company’s metal subsidiary in Mexico, the company had run three gold and silver refineries in succession: the first one was burned down in 1934, the second one closed in 1976 and the operation was conducted from then on 3 factories - the world’s largest silver manufacturer. The plant uses electrolysis to produce 99.99% pure silver.