Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 17, issue 23
Articles | Volume 17, issue 23
https://doi.org/10.5194/amt-17-6865-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-17-6865-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 23
Research article
 | 
05 Dec 2024
Research article |  | 05 Dec 2024

Calibration of hydroxyacetonitrile (HOCH2CN) and methyl isocyanate (CH3NCO) isomers using I− chemical ionization mass spectrometry (CIMS)

Zachary Finewax, Aparajeo Chattopadhyay, J. Andrew Neuman, James M. Roberts, and James B. Burkholder

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Short summary
This work provides a comprehensive sensitivity calibration of a chemical ionization instrument commonly used in field measurements for the measurement of the toxic isomers methyl isocyanate and hydroxyacetonitrile that are found in the atmosphere. The results from this work have demonstrated that the hydroyacetonitrile isomer was observed in previous field studies rather than the stated identification of methyl isocyanate.
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