大学化学 >> 2020, Vol. 35 >> Issue (2): 58-63.doi: 10.3866/PKU.DXHX201906017

化学实验 上一篇    下一篇

一种新型磁天平在配合物磁化率测定中的应用

汤小菊, 颜瑷珲, 黄立民   

  1. 南方科技大学化学系, 广东 深圳 518055
  • 收稿日期:2019-06-10 发布日期:2019-08-06
  • 通讯作者: 汤小菊 E-mail:tangxj@sustech.edu.cn
  • 基金资助:
    南方科技大学高等教育教学改革项目(Y01051883);广东省实验教学示范中心建设项目(SJZLGC201601)

Application of a Novel Magnetic Balance in the Determination of Magnetic Susceptibility of Complex Compounds

Xiaoju Tang, Aihui Yan, Limin Huang   

  1. Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong Province, P. R. China
  • Received:2019-06-10 Published:2019-08-06

摘要: 经典物理化学实验"磁化率测定实验"中,传统方法是使用Gouy磁天平,仪器笨重且操作复杂。本文提供一种新型台式磁天平,用于配合物磁化率的测定。文中通过测量三种亚铁化合物的磁化率,介绍该磁天平的基本原理、使用方法、操作步骤和数据分析。通过比较测量值和标准值,得出该仪器的测量误差小、精确度高,适用于实验教学和科学研究。

关键词: 磁天平, 磁化率, 实验改进

Abstract: In the magnetic susceptibility measurement experiment, the traditional method is to use the Gouy magnetic balance, an instrument which is cumbersome and complicated to operate. This paper provides a new type of benchtop magnetic balance for the determination of the magnetic susceptibility of complexes. The basic principle, method, operation steps and data analysis of this magnetic balance are introduced by measuring the magnetic susceptibility of three commonly used complexes. By comparing the measured values with standards, it is apparent that this portable instrument has smaller measurement error and higher precision, which is suitable for experimental teaching and scientific research.

Key words: Magnetic balance, Magnetic susceptibility, Improvement of the experiment

MSC2000: 

  • G64