Subject |
has NMR receptivity |
has nuclear spin |
has decay mode |
has number of neutron |
has magnetogyric ratio |
has relative NMR sensitivity |
has number of nucleon |
has half life |
has NMR frequency |
has nuclear magnetic moment |
has symbol |
has use |
has atomic mass |
has natural abundance |
helium 3 | 0.00326 where 13C = 1.00 | I = 1/2 | | 1 | -20.378 × 107 rad T-1 s-1 | 0.44 where 1H = 1.00 | 3 | | 76.178 MHz where 1H = 100 MHz; 2.3488 T | μ = -2.127624 | 3He | Nuclear Magnetic Resonance, tracer | 3.01602931 | 0.000137 % stable isotope |
helium 4 | | I = 0+ | | 2 | | | 4 | | | μ = 0 | 4He | deep-sea diving, weather baloons, low temperature research | 4.00260324 | 99.999863 % |
helium 6 | | I = 0+ | γ | 4 | | | 6 | 0.807 seconds | | | 6He | deep-sea diving, weather baloons, low temperature research | 6.018886 | |
helium 8 | | I = 0+ | γ | 6 | | | 8 | 0.119 seconds | | | 8He | deep-sea diving, weather baloons, low temperature research | 8.03392 | |