微波消解-分光光度法测定乳制品和特殊膳食食品中的磷
Determination of Phosphorus in Dairy Products and Special Dietary Foods by Microwave Digestion Spectrophotometry
田洪芸 1田栋 2任雪梅 1张海红1
作者信息
- 1. 山东省食品药品检验研究院,山东济南 250101
- 2. 中国人民公安大学,北京 102623
- 折叠
摘要
[目的]探索测定乳制品和特殊膳食食品中磷含量的方法.[方法]建立了微波消解前处理-分光光度法测定特殊膳食食品和乳制品中磷的方法,并将检验结果与标准规定的湿法消解处理方式进行比对.[结果]使用该方法所获得的检验结果具有检出限低、精密度好、安全快捷、有机酸消耗量少的优势.经验证,该方法准确度符合国家相关标准的要求.[结论]该试验建立的方法对设备要求简单,且操作简便可行,可以在检验机构中推广应用.
Abstract
[Objective]To explore a method for determination of phosphorus content in dairy products and special dietary food.[Method]A method was developed for the determination of phosphorus in special dietary foods and dairy products by microwave digestion before treatment.The results were compared with the standard method of wet digestion.[Result]The test results obtained by this method had the advantages of low detection limit,good precision,safe and fast and less consumption of organic acids.It has been proved that the accuracy of this method meets the requirements of relevant national standards.[Conclusion]The method had the advantages of using simple equipments,operating conveniently,and can be popularized and applied in inspection institutions.
关键词
特殊膳食食品/乳制品/微波消解/精密度/准确度Key words
Special dietary food/Dairy products/Microwave digestion/Accuracy/Precision引用本文复制引用
出版年
2017