A rapid and sensitive analytical method for the determination of isoxaflutole and diketonitrile (DKN) residues in maize was established based on QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) and high performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). The samples were extracted with acetonitrile and purified with octadecylsilane (C18). The mass spectrometer was performed in multi-reaction monitoring mode, and electrospray ionization in negative mode was selected. The isoxaflutole and DKN residues were quantified by the external standard method using the matched standard solution to compensate for matrix effect. The results indicated that the calibration curves of isoxaflutole and DKN were linear in the range of 0.005-0.5mg/L with correlation coefficients of more than 0.9922. When the addition level ranged from 0.01 to 0.1mg/kg the average recoveries of isoxaflutole and DKN in maize, green maize and straw were 95%-108%, and the relative standard deviation (RSD) ranged from 2% to 11%. The limit of quantitation (LOQ) were 0.01 mg/kg in different matrices. This method has many characteristics, such as simple, rapid and accurate, and can be adapted for the confirmation of isoxaflutole and DKN residues in maize samples.
Published in | Science Journal of Chemistry (Volume 7, Issue 4) |
DOI | 10.11648/j.sjc.20190704.11 |
Page(s) | 72-76 |
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2019. Published by Science Publishing Group |
Isoxaflutole, Metabolites, Maize, Method, Residues
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APA Style
Mao Jia, Feng Yizhi, Qi Xiaoxue, Han Jifeng, Pan Jinju, et al. (2019). Method for Residues Analysis of Isoxaflutole and Its Metabolites in Maize. Science Journal of Chemistry, 7(4), 72-76. https://doi.org/10.11648/j.sjc.20190704.11
ACS Style
Mao Jia; Feng Yizhi; Qi Xiaoxue; Han Jifeng; Pan Jinju, et al. Method for Residues Analysis of Isoxaflutole and Its Metabolites in Maize. Sci. J. Chem. 2019, 7(4), 72-76. doi: 10.11648/j.sjc.20190704.11
AMA Style
Mao Jia, Feng Yizhi, Qi Xiaoxue, Han Jifeng, Pan Jinju, et al. Method for Residues Analysis of Isoxaflutole and Its Metabolites in Maize. Sci J Chem. 2019;7(4):72-76. doi: 10.11648/j.sjc.20190704.11
@article{10.11648/j.sjc.20190704.11, author = {Mao Jia and Feng Yizhi and Qi Xiaoxue and Han Jifeng and Pan Jinju and Liang Lin and Liu Wei and Zuo Bojun}, title = {Method for Residues Analysis of Isoxaflutole and Its Metabolites in Maize}, journal = {Science Journal of Chemistry}, volume = {7}, number = {4}, pages = {72-76}, doi = {10.11648/j.sjc.20190704.11}, url = {https://doi.org/10.11648/j.sjc.20190704.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20190704.11}, abstract = {A rapid and sensitive analytical method for the determination of isoxaflutole and diketonitrile (DKN) residues in maize was established based on QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) and high performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). The samples were extracted with acetonitrile and purified with octadecylsilane (C18). The mass spectrometer was performed in multi-reaction monitoring mode, and electrospray ionization in negative mode was selected. The isoxaflutole and DKN residues were quantified by the external standard method using the matched standard solution to compensate for matrix effect. The results indicated that the calibration curves of isoxaflutole and DKN were linear in the range of 0.005-0.5mg/L with correlation coefficients of more than 0.9922. When the addition level ranged from 0.01 to 0.1mg/kg the average recoveries of isoxaflutole and DKN in maize, green maize and straw were 95%-108%, and the relative standard deviation (RSD) ranged from 2% to 11%. The limit of quantitation (LOQ) were 0.01 mg/kg in different matrices. This method has many characteristics, such as simple, rapid and accurate, and can be adapted for the confirmation of isoxaflutole and DKN residues in maize samples.}, year = {2019} }
TY - JOUR T1 - Method for Residues Analysis of Isoxaflutole and Its Metabolites in Maize AU - Mao Jia AU - Feng Yizhi AU - Qi Xiaoxue AU - Han Jifeng AU - Pan Jinju AU - Liang Lin AU - Liu Wei AU - Zuo Bojun Y1 - 2019/10/17 PY - 2019 N1 - https://doi.org/10.11648/j.sjc.20190704.11 DO - 10.11648/j.sjc.20190704.11 T2 - Science Journal of Chemistry JF - Science Journal of Chemistry JO - Science Journal of Chemistry SP - 72 EP - 76 PB - Science Publishing Group SN - 2330-099X UR - https://doi.org/10.11648/j.sjc.20190704.11 AB - A rapid and sensitive analytical method for the determination of isoxaflutole and diketonitrile (DKN) residues in maize was established based on QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) and high performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). The samples were extracted with acetonitrile and purified with octadecylsilane (C18). The mass spectrometer was performed in multi-reaction monitoring mode, and electrospray ionization in negative mode was selected. The isoxaflutole and DKN residues were quantified by the external standard method using the matched standard solution to compensate for matrix effect. The results indicated that the calibration curves of isoxaflutole and DKN were linear in the range of 0.005-0.5mg/L with correlation coefficients of more than 0.9922. When the addition level ranged from 0.01 to 0.1mg/kg the average recoveries of isoxaflutole and DKN in maize, green maize and straw were 95%-108%, and the relative standard deviation (RSD) ranged from 2% to 11%. The limit of quantitation (LOQ) were 0.01 mg/kg in different matrices. This method has many characteristics, such as simple, rapid and accurate, and can be adapted for the confirmation of isoxaflutole and DKN residues in maize samples. VL - 7 IS - 4 ER -