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Table 1 Analytical nuclear data used in INAA

From: Mediterranean and Near East obsidian reference samples to establish artefacts provenance

Radionuclide Element Half life γ-Ray used (keV) LODa(μg g−1) Note
76As As 26.3 h 559.2 0.008 122Sbb
131Ba Ba 11.8 d 496.3 10  
82Br Br 35.87 h 776.6 0.02 152Eub
141Ce Ce 32.38 d 145.4 0.01  
58Co Ni 71.3 d 810.3 80 (n,p)c
60Co Co 5.272 y 1332.5 0.0008  
51Cr Cr 27.7 d 320.0 0.09  
134Cs Cs 2.062 y 795.7 0.003  
152Eu Eu 12.7 y 1408.8 0.0002  
59Fe Fe 45.1 d 1099.2 5  
181Hf Hf 42.5 d 482.2 1  
42 K K 12.36 h 1524.7 260  
140La La 40.27 h 1596.2 0.0005  
24Na Na 15.02 h 1368.6 2  
147Nd Nd 11.06 d 531.0 10  
86Rb Rb 18.66 d 1076.7 0.4  
122Sb Sb 2.70 d 564.0 6  
124Sb Sb 60.9 d 1690.7 0.01  
46Sc Sc 83.85 d 889.2 0.0008  
75Se Se 120.4 d 264.6 0.02 182Tab
153Sm Sm 1948 y 103.1 0.001  
113Sn Sn 115.1 d 391.1 40  
85Sr Sr 64.0 d 514.0 0.08 e++e-c
182Ta Ta 115 d 1221.3 0.5  
160 Tb Tb 72.1 d 879.4 0.08  
233 Pa Th 27.4 d 311.8 0.2 (n,γ,β)
239 Np U 2.35 d 277.6 0.2 203Hgb76Seb
187 W W 23.9 h 687.7 0.1  
175Yb Yb 4.19 d 396.1 2  
65Zn Zn 243.8 d 1115.5 0.04 46Scb
95Zr Zr 65.0 d 756.6 80  
  1. Nuclear data (i.e., radioisotope from (n,γ) reaction, half-life (h: hour; d: day; y: year), peak energy, note) and LOD of each element investigated in this study (a: calculated according to ref. 15 and expressed as μg g-1; b: interfering radionuclide; c: other types of neutron reactions).