The hydrometallurgy technics of Zinc system in the Northwestern Lead and Zinc Smelter uses the purification of reverse adding Antimony salt to get rid of the impurity in the Zinc Sulfate solution. 西北铅锌冶炼厂锌系统湿法冶炼工艺采用反向锑盐法净化除去硫酸锌溶液中的杂质。
Impact of thallium on determining antimony in zinc sulfate solution and countermeasures 铊对测定硫酸锌溶液中锑的影响与对策