UV-VIS spectrum of lycopene shows four peaks located at 420 nm, 444 nm, 470 nm and 500 nm: 0.7 470 BIn 0.6 444 nm S00 Bm Abs. 0.4 420 nm 0.2 400 450 s00 550 Wavelength (nm) Questions: 1) Please, calculate the lambda max for the structure of all-trans-lycopene; 2) Compare your calculation with UV/Vis spectrum obtained by your TA. Why did you get 4 to 5 different signals instead of one that you have calculated? 3) Why tomato and tomato paste are red colored?
Analyzing Infrared Spectra
The electromagnetic radiation or frequency is classified into radio-waves, micro-waves, infrared, visible, ultraviolet, X-rays and gamma rays. The infrared spectra emission refers to the portion between the visible and the microwave areas of electromagnetic spectrum. This spectral area is usually divided into three parts, near infrared (14,290 – 4000 cm-1), mid infrared (4000 – 400 cm-1), and far infrared (700 – 200 cm-1), respectively. The number set is the number of the wave (cm-1).
IR Spectrum Of Cyclohexanone
It is the analysis of the structure of cyclohexaone using IR data interpretation.
IR Spectrum Of Anisole
Interpretation of anisole using IR spectrum obtained from IR analysis.
IR Spectroscopy
Infrared (IR) or vibrational spectroscopy is a method used for analyzing the particle's vibratory transformations. This is one of the very popular spectroscopic approaches employed by inorganic as well as organic laboratories because it is helpful in evaluating and distinguishing the frameworks of the molecules. The infra-red spectroscopy process or procedure is carried out using a tool called an infrared spectrometer to obtain an infrared spectral (or spectrophotometer).
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