第 13 卷 第 10 期 食品安全质量检测学报 Vo l. 13 No. 10 Prevention and Control, Beijing 102100, China; 2. Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China) ABSTRACT: Objective To establish a method for rapid determination of chlorate and perchlorate in liquid milk by ultra performance liquid chromatography-quadrupole-orbitrap high resolution mass spectrometry. Methods After extraction with acetonitrile, the samples were frozen for 30 min at –20 ℃, and the supernatant was taken directly to the machine for determination. At the flow rate of mL/min, acetonitrile-% ammonia solution was
基金项目: 北京市食品风险监测项目(BJSP2021101245)、2022 年首都卫生发展科研专项(2022-2G-3016) Fund: Supported by the Beijing Food Risk Monitoring Project (BJSP2021101245), and the Capital Health Research and Development of Special Funding (2022-2G-3016) *通信作者: 牛宇敏, 博士, 副研究员, 主要研究方向为食品风险安全检测。E-mail: ******@ *Corresponding author: NIU Yu-Min, , Associate Professor, Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Pois
