Application note: effect of resolution to vapour phase spectrum of HCl in the IR spectroscopy

Shimadzu UKcontact supplier

‘Effect of resolution to vapour phase spectrum of HCl in the infrared spectroscopy’

Selecting different resolutions for the spectrum scan, it is possible to visualise the rotation fine structure from a vapour phase of a gaseous sample. One of the most known samples is the rotation fine structure from the HCl, which is representing two isotopes: H35Cl and H37Cl. By the nature of this gas, the distance between the signals is a fine tool to show the effect of different resolutions and the effect of changing the apodisation function for recalculation of data with a Fourier transformation algorithm. This application note from Shimadzu discusses theory and apodisation in detail.

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