Articles | Volume 14, issue 10
Atmos. Meas. Tech., 14, 6551–6560, 2021
https://doi.org/10.5194/amt-14-6551-2021
Atmos. Meas. Tech., 14, 6551–6560, 2021
https://doi.org/10.5194/amt-14-6551-2021
Research article
11 Oct 2021
Research article | 11 Oct 2021

Correcting bias in log-linear instrument calibrations in the context of chemical ionization mass spectrometry

Chenyang Bi et al.

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Latest update: 08 Feb 2023
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Short summary
Calibration techniques have been recently developed to log-linearly correlate analyte sensitivity with CIMS operating conditions particularly for compounds without authentic standards. In this work, we examine the previously ignored bias in the log-linear-based calibration method and estimate an average bias of 30 %, with 1 order of magnitude for less sensitive compounds in some circumstances. A step-by-step guide was provided to reduce and even remove the bias.