应用化学2025,Vol.42Issue(3):416-428,13.DOI:10.19894/j.issn.1000-0518.240177
五水硫酸铜晶体的制备及表征实验方法的优化
Optimization of Preparation and Characterization of Copper Sulfate Pentahydrate Crystals
摘要
Abstract
The preparation of copper sulfate pentahydrate(CuSO4·5H2O)crystals is an important comprehensive synthesis experiment in inorganic chemistry.In this paper,a set of experimental equipment for the preparation of copper sulfate pentahydrate by the reaction of copper powder with sulfuric acid(H2SO4)and nitric acid(HNO3)was designed.The experimental conditions were discussed.The structure of recrystallization product and the content of crystal water were analyzed by X-ray powder diffractometer and synchronous thermal analyzer.The experimental results indicate that by improving the experimental apparatus and optimization of the experimental method,not only the purity and yield of the prepared product were significantly increased,but also toxic gases such as NO and NO2 generated during the reaction process could be completely absorbed by the NaOH solution,thus achieving environmentally friendly green chemistry practices.This improvement and optimization not only increase the efficiency and safety of the experiment,but also promote the cultivation of students'experimental skills and scientific literacy.关键词
五水硫酸铜/制备/实验方法优化/晶体/组分分析Key words
Copper sulfate pentahydrate/Preparation/Experimental method optimization/Crystal/Compositional analysis分类
化学化工引用本文复制引用
杜意恩,郭少华,张爱华..五水硫酸铜晶体的制备及表征实验方法的优化[J].应用化学,2025,42(3):416-428,13.基金项目
山西省高等学校教学改革创新项目(No.J20241335,J20231246)、中国高等教育学会理科教育专业委员会"高等理科教育研究课题项目"(No.21ZSKJYYB08)资助 Supported by the Teaching Reform and Innovation Project of Higher Education Institutions in Shanxi Province(Nos.J20241335,J20231246)and the"Research Project on Higher Science Education"of the Professional Committee of Science Education,China Higher Education Society(No.21ZSKJYYB08) (No.J20241335,J20231246)