Gas Phase Key Components

FTIR


Smoking Machines VC 1, VC 1 S-TYPE, VC 10® and VC 10® S-TYPE, Controller, FTIR Analyser

This setup was developed in close cooperation with Gasmet. The system offers a puff-by-puff quantitification of key constituents of aerosol from electronic cigarettes.
It is combined with the proven VC 1 and VC 1 S-TYPE smoking machine, VC 10® and VC 10® S-TYPE smoking machines and offers a fast evaluation of the aerosol in intervals of 1 s. Therefore it is a powerful alternative to classical chemical analysis which takes time-consuming steps by trapping, extraction, measurement and evaluation.

 

Sampling and measurement system configuration:

1. Aerosol generated by VITROCELL® smoking machine

  • HCI, ISO or CRM 81 regimes
  • E-cigarette aerosol mixed with N2 carrier gas
  • Continuous purging after puff

 2. Controller for carrier gas (N2)

  • N2 flows from 50 mL/min up to 5.0 L/min
  • Integrated mass flow controller

 3. Hot Gas Mixer

  • Heated line after mixing of carrier gas and aerosol

 4. Gasmet FTIR analyser

  • Small volume sample cell, 200 cm path length
  • Calcmet PRO software & RS-422 for fast measurement (1 s measurement interval)

Gasmet™ FTIR - Analytics - Calcmet™ Software

Application library can be customized:

  • Add flavor components
  • Proprietary ingredients

Results 1

  • Sample cell: 200 cm
  • Heated Sample line: 4 m
  • N2 Carrier flow: 2.500 mL/min
  • Measurement interval: 1 s
  • No filter
  • 8 s exhaust time, 30 s frequency, square puff volume 55 mL

Results 2

  • Sample cell: 200 cm
  • Heated Sample line: 5 m
  • N2 Carrier flow: 1.900 mL/min
  • Measurement interval: 1 s
  • Hot particulate filter
  • 8 s exhaust time, 30 s frequency, square puff volume 55 mL

Results 3

  • Sample cell: 200 cm
  • Heated Sample line: 5 m
  • N2 Carrier flow: 1.900 mL/min
  • Measurement interval: 1 s
  • Hot particulate filter
  • 8 s exhaust time, 30 s frequency, square puff volume 55 mL

Summary

  • Reliable, easy to use online analysis tool
  • Wide range of components due to Calcmet library
  • Fast response
  • Ideal for quality control and dose monitoring
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