Transcription of QUANTITATIVE INFRARED SPECTROSCOPY …
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QUANTITATIVE INFRARED SPECTROSCOPY …
QUANTITATIVE INFRARED SPECTROSCOPYO bjective:The objectives of this experiment are:(1)to learn proper sample handling procedures for acquiring INFRARED spectra.(2)to determine the percentage composition of a liquid sample mixture by theapplication of Beer's Reference:Willard et. al. Instrumental Methods of Analysis, 7th edition, Wadsworth PublishingCo., Belmont, CA 1988, Ch and Leary Principles of Instrumental Analysis, 4th edition, Saunders CollegePublishing, Fort Worth, TX 1992, Ch : INFRARED SPECTROSCOPY is most often used for qualitative identification. An unknownmaterial can be determined by comparing the INFRARED spectrum acquired on this sample to thespectra of known compounds. For a conclusive identification, all features of both spectra thatare more intense than instrumental noise must match. Alternatively, IR spectral lines may beinterpreted to provide clues to the structure of an unknown. This approach is rarelyconclusive, but must be supplemented with other types of evidence.
QUANTITATIVE INFRARED SPECTROSCOPY Objective: The objectives of this experiment are: (1) to learn proper sample handling procedures for acquiring infrared spectra.
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