电位滴定法在食品安全检测中的应用  

Application of potentiometric titration method in food safety testing

作　　者：马立利[1] 王胜楠 许雯[1] 杨志超[1] 丁奇 观文娜[2] 贾丽[1] MA Li-Li;WANG Sheng-Nan;XU Wen;YANG Zhi-Chao;DING Qi;GUAN Wen-Na;JIA Li(Beijing Engineering Research Center of Food Safety Analysis,Beijing Center for Physical and Chemical Analysis,Beijing 100089,China;Qingdao Institute of Biomass Energy and Bioprocess Technology,Chinese Academy of Sciences,Qingdao 266101,China)

机构地区：[1]北京市理化分析测试中心,北京市食品安全分析测试工程技术研究中心,北京100089 [2]中国科学院青岛生物能源与过程研究所,青岛266101

出　　处：《食品安全质量检测学报》2020年第3期758-764,共7页Journal of Food Safety and Quality

基　　金：国家重点研发计划项目(2018YFF01013900);北京市理化分析测试中心2019年改革与发展经费自主选题项目(2019ZL0201).

摘　　要：近年来,随着人们生活水平的提高,食品安全问题日渐成为社会热点话题,与此同时,食品安全检测技术也成为了分析工作者关注的重点。其中电位滴定法由于操作简便,特异性好,且容易自动化,而被广泛应用于食品分析领域。本文简单介绍了电位滴定法的原理和装置组成,重点讨论了其在食品中碘、二氧化硫残留量、过氧化值、酸价、维生素C、脂肪酸值等的测定中的应用,以期为电位滴定法在食品安全领域中的应用提供一定参考,并促进自动电位滴定仪在国标方法中的应用。In recent years,with the improvement of people’s living standards,food safety issues have become a hot topic in society.At the same time,food safety testing technology has also become the focus of attention of analysts.Among them,potentiometric titration is widely used in the field of food analysis due to its simple operation,good specificity,and easy automation.This article briefly introduced the principle and device composition of potentiometric titration,and focused on its application in the determination of iodine,sulfur dioxide residue,peroxide value,acid value,vitamin C,and fatty acid value in food.It provides a certain reference for the application of potentiometric titration in the field of food safety,and promotes the application of automatic potentiometric titration in the national standard method.

关 键 词：电位滴定 食品安全 检测 应用 

分 类 号：TS207.3[轻工技术与工程—食品科学] O657.1[轻工技术与工程—食品科学与工程]