The results of Hallimond test show that ammonium sulphate has activation on the xanthate flotation of zinc oxidized ores,and the flotation recovery has been improved.

• 单泡管浮选试验结果表明：在氧化锌矿的黄药浮选及硫化浮选中，硫酸铵都表现出了一定的活化作用，矿物的上浮率都得到了提高。