Search Results

3 results

  1. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 27

    Determination of maleic hydrazide residue in tobacco and tobacco products using high performance liquid chromatography

    HONGFEI ZHANG; ZHAOYANG BIAN; ZHONGHAO LI; FENGPENG ZHU; GANGLING TANG; QINGYUAN HU
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Maleic hydrazide has been used as a growth regulator for grass and tobacco and as a sprout suppressant for onions and potatoes. Its popularity for growth regulator of tobacco has increased over the last few years. Maleic hydrazide has a systemic mode of ...
  2. CORESTA Congress, Shanghai, 2008, SSPT 31

    Analysis of 29 organophosphorus pesticide residues in tobacco and their transfer behavior by GC-MS

    ZHANG Hongfei; TANG Gangling; HU Qingyuan; BIAN Zhaoyang; WANG Fang
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A new method for determining 29 organophosphorus pesticide residues is developed. The extraction of the analytes is performed using the accelerated solvent extraction technique, and the extract is concentrated using a Vortex evaporator. Then the solid ...
  3. CORESTA Congress, Shanghai, 2008, SSPTPOST 01

    Determination of multiple organochlorine, pyrethroids and 2,6-dinitroaniline pesticide residues in tobacco

    BIAN Zhaoyang; TANG Gangling; ZHU Fengpeng; HU Qingyuan; ZHANG Hongfei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A method of determining the residues of forty-four pesticides, including 28 organochlorine, 10 pyrethroid and 6 2,6-dinitroaniline pesticides, in tobacco by accelerated solvent extraction (ASE) and gas chromatography was presented. Tobacco sample was ...