gold steel wool cathode smelting - drevene-truhliky.cz
Pretreatment of gold-containing steel wool before smelting. Steel wool is a product containing gold electrowinning on the cathode. In gold-containing steel wool, the ratio of the weight of cotton steel to deposited gold is 1: (1.3~9.3). Prior to smelting, gold-containing steel wool is immersed in 1:1 industrial hydrochloric acid for 2 hours to ...