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Citation: Yan Deng. 碘量法测定坚果油的碘值——推荐一个分析化学综合实验[J]. University Chemistry, ;2021, 36(2): 191202. doi: 10.3866/PKU.DXHX201912028 shu

碘量法测定坚果油的碘值——推荐一个分析化学综合实验

Yan Deng ^,

Chengdu Shishi High School, Chengdu 610041, China

Corresponding author: Yan Deng, dengyan0101@126.com
Received Date: 6 December 2019

介绍一个综合性的定量分析化学实验。实验以核桃和花生等坚果为研究对象，采用有机溶剂萃取坚果中的油脂，并利用间接碘量法测定油脂的“碘值”，以衡量不同坚果油的不饱和度高低。学生通过该实验不仅能掌握液相萃取、减压过滤、旋转蒸发等样品前处理方法，更好地理解和掌握间接碘量法的工作原理、实验操作和数据处理方法，源于生活的实验素材还能进一步激发学生的学习兴趣。建议将本实验纳入本科定量分析化学综合实验课。
- Nut oil,
- Iodimetric method,
- Iodine value,
- Analytical chemistry experiment
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