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| Simultaneous Determination of Octylphenol, Nonylphenol and Short Chain Nonylphenol Ethoxylate in Agro-Products and Food Packages by High Performance Liquid Chromatography Tandem Mass Spectrometry |
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| KeyWord:octylphenol; nonylphenol; short chain nonylphenol polyethoxylates; LC-MS/MS |
| Author Name | Affiliation | | YANG Mao | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
Institute of Pesticide Verification of Agricultural Ministry, Beijing 100012, China | | WANG Miao | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | SHE Yong-xin | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | LI Teng-fei | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | WANG Jing | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | WANG Shan-shan | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | JIN Fen | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | JIN Mao-jun | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | SHAO Hua | Institute of Quality Standards and Testing Technology for Agri-Products, Chinese Academy of Agricultural Science, Beijing 100081, China
3.Centre for Agro-Products Quality Standard of Agricultural Ministry, Beijing 100081, China | | CAO Wei-qiang | Huizhou Import and Export Inspection and Quarantine Bureau, Huizhou 450012, China |
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| Abstract: |
| A novel method was established for simultaneous determination of octylpehenol（OP）, nonylphenol（NP）, nonylphenol monoethoxylates（NPEO1） and nonylphenol diethoxylates（NPEO2） in agro-products and food packages with liquid chromatography-tandem quadrupole mass spectrometry（HPLC-MS/MS）. These analytes were extracted from vegetables, crops and food packaging materials with acetonitrile and toluene solution. The extracts were cleaned using solid phase extraction with graphitized carbon black tandem and primary secondary amine（PSA） cartridges. LC-MS/MS was utilized for simultaneous analysis of OP, NP, NPEO1 and NPEO2. After chromatographic separation on Agilent ZORBAX RX-C18 column with methanol-10 mmol·L-1 ammonium acetate gradient elution, qualitative and quantitative analyses were carried out under the simultaneous scanning models of positive and negative. The average recoveries for agro-products and food packaging materials at spiked levels of 0.5~5 μg·kg-1 were from 62% to 113%. The limit of detection（LOD） of OP, NP, NPEO1 and NPEO2 was 0.03 μg·kg-1, 0.6 μg·kg-1, 1.6 μg·kg-1 and 0.03 μg·kg-1, respectively. This method is accurate, rapid, and sensitive, and could be used for quick and routine determination of OP, NP, NPEO1 and NPEO2 in agro-products and food packages. |
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