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149 results

  1. Tobacco Science & Technology, 2009, 9, p. 39-42, ISSN.1002-0861

    Rapid inspection of cigarette paper by fingerprint chromatograms of pyrolysis chromatography/mass spectrometry

    GUO XIAO-YI; GUO ZI-MING; LI YAN-CHUN
    Technology Center, Hunan Branch of China Tobacco Industry Co., Ltd., Changsha, China
    A number of samples from the same cigarette paper were pyrolyzed at different temperatures and analyzed by pyrolysis chromatography/mass spectrometry (Py-GC/MS). The correlation coefficient of their fingerprint chromatograms was calculated with...
  2. Tobacco Science & Technology, 2009, 9, p. 43-6, ISSN.1002-0861

    Effects of altitude on neutral volatile aromatic components and smoking quality of flue-cured tobacco

    JIAN YONG-XING; DONG DAO-ZHU; LI LIAN-LI
    Technology Center, Hunan Branch of China Tobacco Industry Co., Ltd., Changsha, China
    In order to choose appropriate planting altitude for flue-cured tobacco, a pot-cultivation experiment for Yunyan 87 was conducted at the altitudes from 200 to 1000 m in the northwest of Hunan Province of China. The neutral volatile aromatic...
  3. CORESTA Congress, Shanghai, 2008, AP 36

    Cadmium and lead immobilization by amendments in polluted soils and effects on tobacco (Nicotiana tabacum) growth

    HU Zhongsheng; ZHAO Qibo; ZHU Weixing; WANG Hongwu; LIU Yanjie; ZHANG Ying; WANG Guangzhi; CAO Zhihong
    Jiangsu Branch of China Tobacco Industry Corporation, R&D Center, Nanjing, China
    To decrease potential harm of heavy metals in tobaccos to human beings from the source, a pot experiment was conducted to investigate the effects of amendments on Cadmium (Cd) and Lead (Pb) immobilization and growth of tobacco in soils. The analysis...
  4. Tobacco Science & Technology, 2008, 5, p. 5-8, ISSN.1002-0861

    Application of a Complex Biochemical Agent in Cigarette Harmful Component Reducing

    DAI YA; WANG CHANG-GUO; ZHU LI-JUN
    Chuanyu Branch of China Tobacco Industrial Corporation, Chengdu, China
    Ketones, phenols and their derivatives (referred as KPs) were extracted from natural plants with ultrasonic-organic solvent technology. Stable porphyrin compounds, HPs, were made from the haematochrome extracted from fresh animal blood with acidic...