In ftir why does collecting more data point in the time domain improves the resolution in...

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Chemistry

In ftir why does collecting more data point in the time domainimproves the resolution in the frequency? I know it is because ofthe longer mirror movement distance but why

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Infrared spectroscopy is an important technique in organicchemistry It is an easy way to identify the presence of certainfunctional groups in a molecule Also one can use the uniquecollection of absorption bands to confirm the identity of a purecompound or to detect the presence of specific impuritiesBefore delving into FT spectrometry lets review the principlesof a classical spectrometer If you have used an optical or UVspectrometer the principles are identicalA source generates light across the spectrum ofinterestA monochromater in IR this can be either a salt prismor a grating with finely See Answer

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