对β—巯基乙醇(BME)与闪锌矿(ZnS)的相互作用问题进行了研究。BME同裸露的ZnS颗粒之间的相互作用与pH值无关。与ZnS接触则溶液中的BME几乎完全消失,可解释为是由于BME的氧化所致。动电学研究表明,BME在ZnS-水的界面上成化学吸附,在pH为5～11的范围内BME对戊基黄药覆盖的ZnS粒子是强的抑制剂。BME条件下成为亲水性的ZnS矿粒容易被Cu~(2+)活化,因而为Cu~(2+)活化的ZnS矿粒,在BME The interaction between β-mercaptoethanol (BME) and sphalerite (ZnS) was investigated. The interaction between BME and bare ZnS particles has nothing to do with pH. Contact with ZnS then the solution almost completely disappeared BME, can be interpreted as due to the oxidation of BME. Electrokinetic studies showed that BME chemisorbed on the ZnS-water interface and that BME was a potent inhibitor of amyl xanthate-coated ZnS particles in the pH range of 5-11. The ZnS particles, which are hydrophilic under the BME conditions, are easily activated by Cu 2+ and thus are Cu 2+ -activated ZnS particles. In the presence of BME