FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? None of the above Measurement of peak areas By use of a Michelson interferometer Fourier transformation None of the above Measurement of peak areas By use of a Michelson interferometer Fourier transformation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of identification of the -COOH terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -NH2 terminal amino acids All of these identification of the -COOH terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -NH2 terminal amino acids All of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Why is it advantageous to record many FID signals from the same sample and then add them together? None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To ensure that all target nuclei in the sample have been excited To increase sensitivity None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To ensure that all target nuclei in the sample have been excited To increase sensitivity ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are different terms for the different frequency same terms for the different frequency different terms for the same frequency same terms for the same frequency different terms for the different frequency same terms for the different frequency different terms for the same frequency same terms for the same frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the none of these frequency domain time domain both (a) and (b) none of these frequency domain time domain both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? None of these The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster None of these The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster ANSWER DOWNLOAD EXAMIANS APP
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