Which of the following is used as coolant for magnets in continuous-wave NMR spectrometer?
A. Water
B. Liquid He
C. Liquid Na
D. Heavy water
Answer:A
Which of the following is used as coolant for magnets in continuous-wave NMR spectrometer?
A. Water B. Liquid He C. Liquid Na D. Heavy water
Explanation: Water is used as coolant for magnets in continuous-wave NMR spectrometer. Liquid He is used for FT-NMR spectrometers.