Sodium carbonate as remover, lead, zinc, cobalt, calcium, nickel from agricultural copper sulfate are removed by neutralization and precipitation method, and the result meets the quality requirements of copper sulfate for electroplating. 采用中和沉淀法,以Na2CO3作脱杂剂一次性脱除农用硫酸铜中Pb,Zn,Co,Ca,Ni杂质,使之达到电镀用硫酸铜的质量要求。
The influence of phytic acid and additive added in molybdate-passivation solution for tinplate on the corrosion resistance of the passivation film was studied by copper sulfate spot test and electrochemical method. 采用硫酸铜点滴试验和电化学测试方法,研究了在钼酸盐溶液中加入植酸和添加剂对镀锡钢板钝化膜的影响。
This paper relates the process for producing of copper arsenate from solution after crystallization of copper sulfate by applying two times precipitation method, and discusses structural formula of copper arsenate through XRD. 采用二段中和法研究了硫酸铜结晶母液制备砷酸铜的工艺过程,用XRD图探讨了砷酸铜的分子结构式。