4.5 Article

Investigation into the Presence or Absence of Solid Particles Generated from Thermal Processes in the Aerosol from an Electrically Heated Tobacco Product with and without Filter Elements

Journal

AEROSOL AND AIR QUALITY RESEARCH
Volume 21, Issue 10, Pages -

Publisher

TAIWAN ASSOC AEROSOL RES-TAAR
DOI: 10.4209/aaqr.200667

Keywords

Heated Tobacco Product; Aerosol; Heating; Combustion; Solid particles

Funding

  1. Philip Morris International

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Heated Tobacco Products (HTPs) like the Electrically Heated Tobacco System (EHTS) from Philip Morris International have been developed as healthier alternatives to traditional cigarettes, producing significantly fewer emissions and confirmed absence of solid particles in emissions. The role of filter elements in reducing solid particle formation during EHTP use has been suggested but requires further investigation.
Heated Tobacco Products (HTPs) were developed as healthier alternatives to cigarettes, which release thousands of chemicals owing to the combustion of tobacco. One HTP is the Electrically Heated Tobacco System (EHTS) from Philip Morris International, which heats instead of burns the tobacco material and produces significantly fewer emissions than traditional cigarettes, as extensively substantiated by independent research groups. Published studies have also confirmed the absence of solid particles in these emissions, which may be due to the filter elements between the tobacco portion and the mouthpiece in the EHTP; however, to the best of our knowledge, the role of these filters has never been investigated. Thus, to determine whether solid particles formed in any part of the product during use, we collected the aerosol from an EHTP with and without filter elements under heated and unheated testing conditions. Both of the analytical methods we applied showed that no solid particles originating from thermal processes were present in the aerosol.

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