盖勃法测定牛奶中脂肪含量的优化
Optimization of Geber Method for Determination of Fat Content in Milk
曾云凤 1周振新 1刘昨 1陈芳 1李文静 1陈宝宇 1李伟胤 1卜泽明1
作者信息
- 1. 广西壮族自治区兽药监察所,广西南宁 530001
- 折叠
摘要
[目的]为提高盖勃法测定牛奶中脂肪含量准确度和结果可靠性.[方法]本文研究《GB 5009.6-2016食品安全国家标准 食品中脂肪的测定》中第四法盖勃法,分析操作过程遇到的问题.[结果]优化溶液总体积和调节时间控制等关键节点,明确硫酸浓度和静置时间等参数.[结论]实现检测步骤快速便捷、检测结果稳定准确,满足实验室日常检测,尤其适合生产企业和基层检测机构.
Abstract
[Objective]In order to improve the accuracy and reliability of the results of the determination of fat content in milk by Gerber method.[Method]This paper studied the fourth method of GB 5009.6-2016 Gerber method,analyzed the problems encountered in the operation process.[Result]The key nodes such as the total volume of the solution and the control of the adjustment time are optimized to clarify the parameters such as sulfuric acid concentration and standing time.[Conclusion]The test results are stable and accurate,and meet the daily testing of the laboratory,which is especially suitable for production enterprises and grassroots testing institutions.
关键词
牛奶/盖勃法/脂肪含量Key words
milk/Gerber method/fat content引用本文复制引用
基金项目
广西重点研发计划(2023AB18070)
出版年
2024
国家科技期刊平台
NSTL
万方数据