FT IR SPECTROSCOPY QUIZ

The processional frequency of the nucleus increases

The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field

None of these

The nucleus spins faster

same terms for the same frequency

different terms for the same frequency

same terms for the different frequency

different terms for the different frequency

None of these

Spin - spin relaxation

Spin - spin - spin relaxation

Spin - lattice relaxation

7.5

11.05

8.5

10.05

a specimen is not fixed and then coated with thin layer of a heavy metal

a specimen is fixed and then coated with thin layer of a heavy metal

None of these

a specimen is fixed and then coated with transition metal

an antigen specific for the subcellular structure

an antibody specific for the subcellular structure

bound antibody specific for the subcellular structure

none of these

both (a) and (b)

time domain

frequency domain

none of these

Solubility

Molecular mass

Isoelectric point

Folding

2

3

6

4

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