Articles | Volume 14, issue 1
Atmos. Meas. Tech., 14, 647–663, 2021
https://doi.org/10.5194/amt-14-647-2021
Atmos. Meas. Tech., 14, 647–663, 2021
https://doi.org/10.5194/amt-14-647-2021

Research article 28 Jan 2021

Research article | 28 Jan 2021

Effect of polyoxymethylene (POM-H Delrin) off-gassing within the Pandora head sensor on direct-sun and multi-axis formaldehyde column measurements in 2016–2019

Elena Spinei et al.

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Short summary
Plastics are widely used in everyday life and scientific equipment. This paper presents Delrin plastic off-gassing as a function of temperature on the atmospheric measurements of formaldehyde by Pandora spectroscopic instruments. The sealed telescope assembly containing Delrin components emitted large amounts of formaldehyde at 30–45 °C, interfering with the Pandora measurements. These results have a broader implication since electronic products often experience the same temperature.