⁹⁸Ru-Ruthenium

 
98Ru has 44 protons and 54 neutrons.
98Ru is a stable isotope.
The mass excess of 98Ru is -88224.871 with an uncertainty of ±6.463.


The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:

Influence				 Equations

     91.6%	   	                C7H14-98Ru 1 
      8.4%	   	                98Tc(β-)98Ru 2 
        
		
		







Reference

1. R.A. Damerow, R.R. Ries, W.H. Johnson,Jr (1963) Atomic Masses from Ruthenium to Xenon
Physical Review  132(4)
https://journals.aps.org/pr/abstract/10.1103/PhysRev.132.1673

2. Private communication to Nuclear Data Group in August
	G.D. O’Kelley, C.F. Goeking, L.L. Collins,Sr.