Search Results

4 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 ...
  4. Tobacco Science & Technology, 2008, 1, p. 26-33, ISSN.1002-0861

    Improvement of standard method for determination of organochlorine pesticide residue in tobacco

    BIAN ZHAO-YANG; TANG GANG-LING; ZHU FENG-PENG
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In order to increase the detectable number and test speed of organochlorine pesticide residue in tobacco, the standard method for determination of organochlorine pesticide residue in tobacco from ISO 4389:2000 (GB/T 13596-2004) was improved. Soxhlet ...