Response factor

Response factor

Response factor refers to a numerical value that represents the relationship between the concentration of a standard in parts per million (ppm) and the response of a detector. In the case of liquid samples, the response factor is calculated as the ratio of the peak area of a specific species to its mole fraction.From: Methods of Air Sampling and Analysis [2017], Quantitative measurement of formaldehyde formed in combustion processes using gas chromatography analytical approach [2023]

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Published in Rick Houghton, William Bennett, Emergency Characterization of Unknown Materials, 2020

Rick Houghton, William Bennett

If a sample contains a single, known compound, the PID may be calibrated with a gas standard and used to determine the concentration of the sample gas based on a response factor. The response factor is dependent on both the sample and the calibration gas.

Quantitative measurement of formaldehyde formed in combustion processes using gas chromatography analytical approach

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Published in Combustion Science and Technology, 2023

Lucia Giarracca, Luc-Sy Tran, Sylvie Gosselin, Benjamin Hanoune, Laurent Gasnot

For liquid samples, the response factor for the (i) species is defined as the ratio of the relevant peak area (Ai) to its mole fraction (χi). So, the response factors and respectively for formaldehyde and acetaldehyde, are the following:

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Detection Technology

Quantitative measurement of formaldehyde formed in combustion processes using gas chromatography analytical approach