其他食品检测

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食品中农药检测方案(等离子体质谱)

The determination of pesticide residues in food products is important especially for infants and children, as the quantity of food they ingest per kilogram of body weight is relatively high. Some pesticides are known or suspected endocrine disrupting chemicals (EDCs), so the potential for interference with the function of the naturally occurring hormones can severely impact a growing child, even at low concentrations. The implications of long-term, low-dose exposure through food consumption have led to interest in development of highly sensitive analytical methods that combine rapid sample preparation with hyphenated separation and detection. Most pesticide residue laboratories use some variation of the QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) extraction methods. Often the extracted material is analyzed using gas chromatography-tandem mass spectrometry (GC/MS/MS) for the thermally stable, less polar pesticides, or liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis for the less volatile and/or more polar ones. A more recently developed alternative technique involves coupling GC to triple quadrupole ICP-MS (GC-ICP-QQQ), which is able to Determination of pesticides in foods using phosphorus and sulfur detection by GC-ICP-QQQ Application note Authors Jenny Nelson1-3, Helene Hopfer1-2,4, Fabio Silva3 , Steve Wilbur3 , Jianmin Chen3 , Kumi Shiota Ozawa3 and Philip L. Wylie5 1 Department of Viticulture and Enology, University of CaliforniaDavis, Davis CA, USA 2 Food Safety and Measurement Facility, University of CaliforniaDavis, Davis CA, USA 3 Agilent Technologies, Inc., Santa Clara CA, USA 4 HM Clause, Davis CA, USA 5 Agilent Technologies, Inc., Wilmington DE, USA Food testing 2 determine pesticides by measuring the heteroatoms P and S (also Cl and Br) contained in most pesticides. GC-ICP-QQQ offers very good selectivity and specificity, and sensitivity that can be greater than the established methods. The method described in this work ca
检测样品: 其他食品
检测项: 过敏原

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仪器信息网行业应用栏目为您提供1809篇其他食品检测方案,可分别用于感官指标检测检测、营养成分检测、微生物检测、理化分析检测、真菌毒素检测、重金属检测、环境污染物检测、转基因检测、其他检测、非法添加检测、过敏原检测,参考标准主要有《GB 5009.33 食品安全国家标准 食品中亚硝酸盐与硝酸盐的测定》、《GB/T 21911 食品中邻苯二甲酸酯的测定》等