Method for measuring content of every component in cigarette mainstream smoke

Abstract

The invention discloses a method for measuring the content of every component in cigarette mainstream smoke. The method comprises the following steps: simulating a constant pressure suction process through a smoke experiment machine, adsorbing solid phase substances in the smoke by using filters, and collecting gas phase substances in the smoke through a vacuum collection bag; and detecting the peak values and the wave peak waves of signals through an external standard detection technology by adopting an Agilent 7890A gas chromatograph to determine the components and the respective content ofthe gas phase substances in the smoke, weighing the mass of the Cambridge filters before and after the adsorption and the mass of the vacuum collecting bag before and after the collection of the smoke, and analyzing and calculating the mass fractions of all components in the solid substances and the gas phase substances in the smoke. The method is simple and effective, has good repeatability, andis suitable for detecting the smoke components of various cigarette products.

Description

technical field [0001] The invention relates to the field of analysis and detection of smoke components, in particular to a method for measuring the contents of components in mainstream smoke of cigarettes. Background technique [0002] Cigarette burning is a very complex physical and chemical process. The smoke produced by it contains thousands of chemical substances, which are always in dynamic changes, and some of them directly cause harm to the human body. The part that can be intercepted by the Cambridge filter is called the particulate matter, which accounts for about 8% of the total smoke, mainly including water, nicotine and tar; the part of the smoke that can pass through the Cambridge filter is called the gas phase, It accounts for about 92% of the total smoke, including air (about 58%), excess nitrogen (about 15%), hydrocarbons, organic vapors, nitrogen oxides, and some biologically active substances. At present, gas chromatography is mainly used to measure the c...

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