JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 31 Issue 1
January 2016
Article Contents
LI Wen-wei, ZHAO Hai-juan, LI Qing-qing, et al. Determination of mainstream cigarette smoke pH value based on Impinger 5 box trapping method[J]. Journal of Light Industry, 2016, 31(1): 40-45. doi: 10.3969/j.issn.2096-1553.2016.1.008
Citation: LI Wen-wei, ZHAO Hai-juan, LI Qing-qing, et al. Determination of mainstream cigarette smoke pH value based on Impinger 5 box trapping method[J]. Journal of Light Industry, 2016, 31(1): 40-45. doi: 10.3969/j.issn.2096-1553.2016.1.008 shu

Determination of mainstream cigarette smoke pH value based on Impinger 5 box trapping method

  • Corresponding author: WANG Jian-min, 
  • Received Date: 2015-08-21
    Available Online: 2016-01-15
  • In order to improve the measurement results precision of cigarette mainstream smoke pH, a method which based on Impinger 5 box trapping method of the pH value of particulate matter and vapor phase matter of cigarette mainstream smoke was established,and the measurement conditions were optimized.The best measurement conditions were: the cigarette number was 10,extraction solvent volume was 90 mL and the shaking extraction time was 30 min.Under the condition, the pH value of 5 different kinds verification of cigarette samples was tested with the method and the result indicated that the RSD of the method was 0.302%~0.562%,the average difference of the mainstream smoke pH value which was greater than or equal to 0.030 showed a significant difference.This method could be used without changing the smoking machine pumping parameters and it was simple, convenient and the determination results had high precision and better repeatability.
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