https://www.selleckchem.com/pr....oducts/caffeic-acid-
69×1016 molecules/cm2) contribution from POM-H Delrin parts. Multi-axis differential slant column densities were minimally impacted ( less then 0.01 DU) due to the reference spectrum collected within a short time period with a small difference in head sensor temperature. Three new POM-H Delrin free Pandora head sensors (manufactured in summer 2019) were evaluated for temperature dependent attenuation across the entire spectral range (300 to 530 nm). No formaldehyde or any other absorption above the instrumental nois
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