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51 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 60

    Development and application of an online sliver content detection device

    JIANG Wei; LI Juanjuan; ZHANG Guozhi; XIE Hai; DAI Shiliang; ZHANG Baoping; FENG Zhibin; LU Yiliang; KUANG Yinqi; ZHENG Jing; SUN Zhaodong; KONG Zhen; LI Bin; FENG Suoyang; LIU Dong
    Guangdong Industry Co., Ltd of CNTC, Technology Center, South Road No. 88, Guangdong Huanchui, P.R. China
    In order to determine the sliver content in tobacco shreds in a timely fashion, an online detection device was developed based on a multistage winnower. The main components of the device are an air fan, an air velocity measurement system and a gas-solid ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 03

    Development and application of FT-NIRs model for online monitoring of the quality of cut tobacco in primary processing line

    YI Hao(1); LI Jun(1); LIU Wei(1); DU Wen(1,2); WANG Zhiguo(1); CHEN Zengping(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) College of Chemistry and Chemical Engineering, Hunan University, Changsha, P.R. China
    Near infrared (NIR) spectroscopy is especially suitable for online monitoring of the productive process due to its fast and non-destructive detection feature. The online monitoring of cut tobacco is important for cigarette industrial enterprises to ...
  3. Tobacco Science & Technology, 2012, 10, p. 41-45, ISSN.1002-0861

    Improvement of ion chromatographic method for determination of ammonia in mainstream cigarette smoke

    SHI Wenzhuang; MA Qing; ZENG Jing
    China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to determine the ammonia in mainstream cigarette smoke accurately, ion chromatography (IC) method was improved, and the improved method was applied to determine the ammonia in mainstream smoke of 59 cigarettes measured under ISO and Health Canada ...
  4. Tobacco Science & Technology, 2012, 11, p. 29-32, ISSN.1002-0861

    Influence of ventilation on burning temperature and deliveries of harmful components in mainstream cigarette smoke

    PANG Yongqiang(1); HUANG Chunhui(2); CHEN Zaigen(1); CHEN huan(1); JIANG Xingyi(1); TANG Gangling(1)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to reduce the harm of smoking, the effects of air permeability of cigarette paper, tipping paper and plug wrapper on the burning temperature of cigarette and deliveries of tar and seven harmful components (including CO, HCN, NNK, NH 3, B[a]P, ...
  5. Tobacco Science & Technology, 2012, 12, p. 49-51, ISSN.1002-0861

    Determination of moisture content in tobacco with gas chromatography

    WU Jinming(1); PENG Bin(*2); LIU Kejian(2); ZHAO Xiaodong(2); LI Ping(2); ZHANG Xiaobing(2)
    (1) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to accurately determine the moisture content in tobacco, a method with gas chromatography was developed. Four factors, including extraction means, extraction solvent, extraction time and solvent volume, were optimized. The results showed that: 1) ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 13

    Effects of humic acids on the accumulation in tobacco leaves of lead (Pb) and cadmium (Cd) found in different soils

    ZHANG Yanling(1); YANG Xin(2); ZHANG Shixiang(1); TIAN Yangyang(1)
    (1) Zhengzhou 450001 Tobacco Research Institute of CNTC, Zhengzhou 450001, Henan, P.R China; (2) P.R China Tobacco Guangdong Industrial Corporation, P.R China
    Lead (Pb) and cadmium (Cd) are two harmful heavy metals in tobacco leaf that mainly come from soil. To explore a method to reduce lead and cadmium in tobacco leaf, pot cultivation with unpolluted and polluted soil was executed with four main tobacco ...
  7. Tobacco Science & Technology, 2011, 11, p. 36-39., ISSN.1002-0861

    Determination of lead in cigarette paper with microwave digestion-graphite furnace atomic absorption spectrometry

    ZHANG YOU-MAO(1); ZHAN LEI(2); FANG XI-LING(1); QIU XUE-QING(2); OUYANG XIN-PING(2)
    1. Technology Center, China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; 2. School of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou 510640, P.R. China
    A method for determining the lead content in cigarette paper with microwave digestion-graphite furnace atomic absorption spectrometry was developed. Some process variables, including quantities of sample, the composition of digestion agent, ashing ...
  8. Tobacco Science & Technology, 2011, 11, p. 40-43., ISSN.1002-0861

    Effects of expanded cut stem, expanded cut tobacco and reconstituted tobacco inclusion on deliveries of harmful components in mainstream cigarette smoke

    PENG BIN(1); LI XU-HUA(2); ZHAO LE(1); NIE CONG(1); XIE FU-WEI(1); ZHANG GAO-FENG(3); ZHU YU(3); XU HENG(3); HE SHU-JIE(3); MENG ZHAO-YU(4); XIANG NENG-JUN(4)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; 3. China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; 4. Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, P.R. China
    In order to investigate the effects of expanded cut stem, expanded cut tobacco or reconstituted tobacco inclusion on the deliveries of harmful components in mainstream cigarette smoke, 15 cigarette samples containing different proportions of expanded cut ...
  9. Tobacco Science & Technology, 2011, 7, p. 33-36., ISSN.1002-0861

    Extraction of tobacco materials for paper-making process reconstituted tobacco in presence of enzyme mixture

    WU YI-JI; SHEN GUANG-LIN; TAO HONG; ZHOU RONG; LIN XIANG
    Technology Center of China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to reduce the undesirable components in paper-making process reconstituted tobacco, the effects of adding pectinase, hemicellulase and protease in tobacco fines and stems extraction, adding rates, enzymatic hydrolysis temperature and time on the ...
  10. Tobacco Science & Technology, 2011, 8, p. 52-54., ISSN.1002-0861

    Purification of chlorogenic acid in extracts of waste and inferior tobacco leaves

    GU JUN-PING(1,2); WEI WAN-ZHI(1)
    1. State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, P.R. China; 2. Technology Center of China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    The effects of experimental conditions, such as injected solution concentration, concentration and volume of elution solution, for column chromatography, and sample solution’s pH value, extracting time and number of repetitions on the purification of ...