198Pt-Platinum
198Pt has 78 protons and 120 neutrons.
198Pt is a stable isotope.
The mass excess of 198Pt is -29904.018 with an uncertainty of ±2.1.
The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence Equations
53.5% 198Pt-197Au1.005 1
46.5% 198Pt(p, d)197Pt 2
Reference
1. K.S. Sharma, J. Vaz, R.C. Barber, F. Buchinger, J.A. Clark, J.E. Crawford, H. Fukutani, J.P. Greene, S. Gulick, A. Heinz, J.K.P. Lee, G. Savard, Z. Zhou, J.C. Wang (2005)
Atomic mass ratios for some stable isotopes of platinum relative to 197Au European Physical Journal A 25(45-46)
https://epja.epj.org/articles/epja/abs/2005/11/10050_2005_Article_506191/10050_2005_Article_506191.html
2. G. Berrier-Ronsin, M. Vergnes, G. Rotbard, J. Vernotte, J. Kalifa, R. Seltz, H.L. Sharma (1978) Nuclear levels in 191,193,195,197Pt excited via neutron pickup
Physical Review C 17(2)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.17.529