ISO19702 FTIR analysis of toxic gases – Standard
ISO19702：Guidance for sampling and analysis of toxic gases and vapours in fire effluents using Fourier Transform Infrared (FTIR) spectroscopy
ISO19702 FTIR analysis of toxic gases – Scope
This International Standard specifies requirements and makes recommendations for sampling systems for use in small and large-scale fire tests, for the selection of parameters and use of the FTIR instrument itself and for collection and use of calibration spectra.
This International Standard specifies methods for the individual analysis of airborne concentrations of carbon monoxide (CO), carbon dioxide (CO2), hydrogen cyanide (HCN), hydrogen chloride (HCI), hydrogen bromide(HBr), nitric oxide (NO), nitrogen dioxide (NO2), and acrolein (CH2CHCHO). Although not specifically defined in this International Standard, as they were not specifically studied in the SAFIR project, the method presented is suitable for most gaseous species able to be analysed using the FTIR technique, including hydrogen fluoride (HF) and sulfur dioxide (SO2).
This International Standard only provides general recommendations for the sampling and analysis of fire effluents, based on best practice as determined from a wide variety of small- and large-scale standard and ad hoc fire test studies. The Standard may not be wholly applicable for use in specific published fire test methods where FTIR may be specified as a requirement for effluent sampling and
analysis in that particular test. In these cases, the specific requirements for the sampling and analysis by FTIR may be published within the standard test procedures and should be followed. However, if such specific requirements have not been published, this edition of this International Standard may be used as a basis for acceptable results.