七水硫酸锌

用经高温煅烧后的闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸铜。

The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated .

主要的研究工作如下：①ZTS原料的合成。通过硫脲与七水硫酸锌的合成即可得到ZTS原料。

The main works can be summarized as follows : ① The raw materials were synthesized from zinc sulfate and thiourea .

由菱锌矿生产七水硫酸锌的研究

The Investigation of Seven-water Zinc Sulfate Produced from Smithsonite

简要介绍了硫酸锌、硼砂合成七水硫酸锌的研究过程，并进行了工业试验。

The research process of combined Znic borate with Znic sulfate and Borax is briefly introduced , and the plot experiments are carried through .

介绍赤峰冶炼厂对传统的污酸中和处理系统进行改造，生产七水硫酸锌、五水硫酸铜及粗镉，回收钴渣的情况。

Introduction is given to modification of conventional contaminated acid neutralizing system so as to produce zinc vitriol , copper sulphate and crude cadmium and recover cobalt residue .