¹²⁰Sn-Tin

 
120Sn has 50 protons and 70 neutrons.
120Sn is a stable isotope.
The mass excess of 120Sn is -91097.741 with an uncertainty of ±0.92.


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

Influence				 Equations

          22.9%	   	           112Sn-120Sn0.933 1 
           22.4%	   	            115Sn-120Sn0.958 1 
          19.6%	   	           129Xe-120Sn1.075 1 
          








Reference

1. J. Hakala, R. Rodrıguez-Guzman, V.-V. Elomaa, T. Eronen, A. Jokinen, V.S. Kolhinen, I.D. Moore, H. Penttila, M. Reponen, J. Rissanen, A. Saastamoinen, J. Aysto (2011)
Precision mass measurements of neutron-rich Y, Nb, Mo, Tc, Ru, Rh, and Pd isotopes  European Physical Journal A  47(129)
https://epja.epj.org/articles/epja/abs/2011/10/10050_2011_Article_9606/10050_2011_Article_9606.html