收稿日期:2022-12-15作者简介:孟晶(1986—),女,本科,研究方向为粮油质量检测。食品安全与检测谷物及其制品中氯酸盐和高氯酸盐含量的测定孟晶(上海科茂粮油食品质量检测有限公司,上海200333)摘要:通过超高效液相色谱⁃串联质谱建立1种测量谷物及其制品中氯酸盐和高氯酸盐含量的方法。结果表明:该方法的检出限为1.5~3.0μg/kg、定量限为4.5~10μg/kg、加标回收率为96.2%~104.8%、变异系数为1.06%~3.23%。该方法前处理简单方便、检测速度快。关键词:氯酸盐;高氯酸盐;超高效液相色谱⁃串联质谱;谷物DeterminationofchlorateandperchloratecontentincerealsandtheirproductsMENGJing(ShanghaiKemaoCereals,OilsandFoodQualityInspectionCo.,Ltd.,Shanghai200333,China)Abstract:Amethodforthedeterminationofchlorateandperchlorateincerealsandtheirproductswasestablishedbyultra⁃highperformanceliquidchromatography⁃tandemmassspectrometry.Theresultsshowedthatthedetectionlimitofthemethodwas1.5-3.0μg/kg,thequantificationlimitwas4.5-10μg/kg,therecoveryrateofspikingwas96.2%-104.8%,andthevariationcoefficientwas1.06%-3.23%.Thepretreatmentofthismethodwassimpleandconvenient,andthedetectionspeedwasfast.Keywords:chlorate;perchlorate;ultra⁃highperformanceliquidchromatography⁃tandemmassspec⁃trometry;cereal中图分类号:TS207.5文献标志码:A文章编号:1008-9578(2023)03-0147-04氯酸...