Potassium Ethyl Xanthate Molecular Formula:C2H5OCSSNa(K)Specifications: Item TypeDriedSyntheticFirst GradeSecond GradeEthyl xanthate (potassium)%,Website:http://www.ytlshts.com, ≥90.082.0(78. ... -ferrous metal sulphide ore, with the best selectivity in the xanthate products,equipped with the curing agent ,used for copper and ...