Potassium

NMR- Data

Isotope  39K Spin  3/2
Natural abundance (%)  93.2581 Magnetic moment μ/μN  0.50543376
Magnetogyric ratio
γ/107rad s-1T-1
 1.2500608 Quadrupole moment
Q/fm2
 5.85
Frequency ratio
Ξ/%
 4.666373 Reference Sample  KCl
Sample conditions  D2O, 0.1M Line-width factor
l/fm4
 46
receptivity relative to 1H  4.76*10-4 receptivity relative to 13C  2.79
Larmor Frequenzies (MHz) vs. Bruker Field Strengths (Tesla)
7.04925 9.39798 11.7467 14.0954
 14.005  18.672  23.338  28.004
16.4442 17.6185 18.7929 19.9673
 32.671  35.004  37.337  39.670
21.1416 22.3160 23.4904
 42.003  44.337  46.670

Isotope  40K Spin  4
Natural abundance (%)  0.0117 Magnetic moment μ/μN  -1.4513203
Magnetogyric ratio
γ/107rad s-1T-1
 -1.5542854 Quadrupole moment
Q/fm2
 -7.3
Frequency ratio
Ξ/%
 5.802018 Reference Sample  KCl
Sample conditions  D2O, 0.1M Line-width factor
l/fm4
 5.2
receptivity relative to 1H  6.12*10-7 receptivity relative to 13C  3.59*10-3

Isotope  41K Spin  3/2
Natural abundance (%)  6.7302 Magnetic moment μ/μN  0.27739609
Magnetogyric ratio
γ/107rad s-1T-1
 0.68606808 Quadrupole moment
Q/fm2
 7.11
Frequency ratio
Ξ/%
 2.561305 Reference Sample  KCl
Sample conditions  D2O, 0.1M Line-width factor
l/fm4
 67
receptivity relative to 1H  5.68*10-6 receptivity relative to 13C  3.33*10-2
Larmor Frequenzies (MHz) vs. Bruker Field Strengths (Tesla)
7.04925 9.39798 11.7467 14.0954
 7.687  10.249  12.810  15.,371
16.4442 17.6185 18.7929 19.9673
 17.932  19.213  20.494  21.774
21.1416 22.3160 23.4904
 23.055  24.336  25.616

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