Search Results

7 results

  1. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 35

    Residue degradation of λ-cyhalothrin and fenvalerate during tobacco planting and processing

    CHEN Li; HU Bin; PAN Lining; CUI Huapeng; CAI Junlan; JIA Yunzhen; FAN Meijuan; WANG Xiaoyu; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Lambda-cyhalothrin and fenvalerate, two widely used pesticides in tobacco, have been receiving high attention recently in China as their residue is one of the most important factors affecting the quality and safety of tobacco. To find out the key ...
  2. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 63

    Simultaneous determination of 114 pesticide residues in tobacco by LC-MS/MS using multi-walled carbon nanotubes-based dispersive solid phase extraction

    HU Bin; YU Fei; CHEN Li; AI Dan; PAN Lining; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A method capable of simultaneously determining the residues of 114 pesticides in tobacco was developed by dispersive solid phase extraction (DSPE), where multi-walled carbon nanotubes (MWCNTs) were used as extraction material, and LC-MS/MS in multiple ...
  3. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 62

    Matrix effect evaluation based on a multi-residual pesticide determination method on tobacco by ASE-HPLC-MS/MS

    HU Bin; AL Dan; YU Fei; PAN Lining; CHEN Li; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A new method combining accelerated solvent extraction and liquid chromatography-tandem mass spectrometry (ASE-LC-MS/MS) was developed for multi-pesticide residue detection in tobacco. In this method, extraction and cleanup of tobacco samples were ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, ST 36

    Matrix effects on analysis of multi-pesticide residues in tobacco by LC-MS/MS and GC-MS

    HU Bin(1); YAN Hui-hui(2); MA Hai-ming(2); XIE Fu-wei(1); LIU Hui-min(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R.China; (2) Dept. of Chemistry, Zhengzhou University, Zhengzhou 450001, P.R. China
    A fast and easy multi-pesticide residue analyzing method for 73 and 19 pesticides in tobacco by LC-MS/MS and GC-MS respectively was introduced. The matrix effects and the deviations of detecting results were discussed as the main points of this thesis in ...
  5. Tobacco Science & Technology, 2011, 7, p. 43-47., ISSN.1002-0861

    Determination of fifteen pesticide residues in tobacco with LC-MS/MS

    YAN HUI-HUI(1); HU BIN(2); LIU HUI-MIN(2); MA HAI-MING(1); WANG LI-JIE (1); SHI JIE(1)
    1. Department of Chemistry, Zhengzhou University, Zhengzhou 450001, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    A method for rapidly determining fifteen pesticides, such as pymetrozine and others, in tobacco with LC-MS/MS was developed. Samples were extracted by acetonitrile, cleaned up by dispersive solid-phase extraction and finally detected with LC-MS/MS. The ...
  6. Tobacco Science & Technology, 2010, 9, p. 43-46., ISSN.1002-0861

    Rapid determination of organophosphorous pesticide residues in tobacco by GC/MS

    SHI JIE(1); YANG JING(1); LIU HUI-MIN(2); HU BIN(2); TAO PENG-LI(1); YAN HUI-HUI(1)
    1. Department of Chemistry, Zhengzhou University, Zhengzhou 450001, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    A method for fast determining the organophosphorous pesticide residues in tobacco was developed. Tobacco samples were extracted with acetonitrile, cleaned up with primary secondary amine adsorbent and detected by gas chromatography-mass spectrometry. The ...
  7. CORESTA Congress, Shanghai, 2008, SSPT 32

    Determination of organophosphorous pesticides residues in tobacco by LC-MS/MS

    HU Bin; LIU Huimin; XIE Fuwei; WANG Sheng; HUANG Qi; LIU Ting
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A quick and simple pre-treatment method was introduced for the analysis of 15 organophosphorus pesticide residues in tobacco. The compounds were quantitatively determined by liquid chromatography-mass/mass spectrometry under the MRM mode and methanol ...