Two N-H absorptions at 3300-3500 cm-1 is a typical characteristic absorption in the IR spectrum of a primary amine
More about IR spectroscopy:
The IR infrared section of such electromagnetic spectrum, or light with a higher wavelength and a shorter frequency than visible light, is the subject of IR spectroscopy, sometimes known as infrared spectroscopy. The study of a molecule's interaction with infrared light is known as infrared spectroscopy.
An equipment known as an IR infrared spectrometer (or spectrophotometer), which generates an infrared spectrum, is used to perform the infrared spectroscopy method or procedure. Due to its utility in detecting the properties of compounds and identifying them, it is one of the most popular and commonly utilised spectroscopic techniques used mostly by organic and inorganic chemists.
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