Determination of mainstream cigarette smoke pH value based on Impinger 5 box trapping method
LI Wen-wei
ZHAO Hai-juan
LI Qing-qing
YANG Jing
WANG Jian-min
CHENG Chuan-ling
Abstract：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 meas-urement 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 sam-ples 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.
Keywords：mainstream cigarette smokepH value deter-minationIminger 5 box trapping method
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 40-45 )