18O-Oxygen


 
18O has 8 protons and 10 neutrons.
18O is a stable isotope.
The mass excess of 18O is -782.81634 with an uncertainty of ±0.00064.


The mass was measured using a Penning Trap and the related equations include:
Influence				 Equations
   86.8%		  	        CD3-18O 1  
     13.2%	  			    C3-18O2 1  









Reference

1. Redshaw, M., Mount, B. J., & Myers, E. G. (2009). Penning-trap measurement of the atomic masses of O18 and F19 with uncertainties
<0.1 parts per 109. Physical Review A - Atomic, Molecular, and Optical Physics, 
79(1), [012507].
  https://doi.org/10.1103/PhysRevA.79.012507