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Citation: Yue Zhang, Xiaoyan Wang, Suhua Gao. 邻二氮菲测铁的实验教学改进与实践[J]. University Chemistry, ;2022, 37(6): 210712. doi: 10.3866/PKU.DXHX202107124 shu

邻二氮菲测铁的实验教学改进与实践

School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China

Corresponding author: Suhua Gao, 466341451@qq.com
Received Date: 31 July 2021

根据近年来学生在教学过程中出现的问题及反馈，将邻二氮菲测铁实验进行教学改进与实践。在原有标准曲线法测定总铁的基础上，增加了Fe²⁺-邻二氮菲配合物摩尔吸光系数的计算以及未知水样中Fe²⁺、Fe³⁺浓度的测定及计算。实验内容的改进，不仅解答了学生的疑问，提高了学生的学习兴趣，而且引导学生主动思考，培养学生解决实际问题的能力。
- Analytical chemistry experiment,
- Phenanthroline,
- Teaching improvement
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