The relative sensitivity of NMR lines for equal numbers of different nuclei at constant temperature for a given frequency is R (I 1) 3 whereas for a given field it is R B (I 1) I 2 3 (a) From the data in Table 14A 2, calculate these sensitivities for the deuteron, 13 C, 14N, 19 F, and 31 P relative...

a To calculate R we need to find the value of 3 for each nucleus relative to the proton The values o ...

The relative sensitivity of NMR lines for equal numbers of different nuclei at constant temperature for a

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The relative sensitivity of NMR lines for equal numbers of different nuclei at constant temperature for a given frequency is R_ν∝(I+1)μ³ whereas for a given field it is R_B∝{(I+1)/I²}μ³.

(a) From the data in Table 14A.2, calculate these sensitivities for the deuteron, ¹³C, 14N,¹⁹F, and³¹P relative to the proton.

(b) Develop the equation for R_B from the equation for R_ν.

Data in Table 14A.2,

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Physical Chemistry Thermodynamics And Kinetics

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Authors: Peter Atkins, Julio De Paula

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The relative sensitivity of NMR lines for equal numbers of different nuclei at constant temperature for a

Question:

Nuclide In ¹H 2H 13C 14N Natural abundance/% 99.98 0.02 1.11 99.64 Spin I 7/20 = 1 1/2 1 g-factor, gi -3.826 5.586 0.857 1.405 0.404 Magnetogyric ratio, /(107T¹s¹) -18.32 26.75 4.11 6.73 1.93 NMR frequency at 1 T, v/MHz 29.164 42.576 6.536 10.708 3.078

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Physical Chemistry Thermodynamics And Kinetics

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