Research Article
Determination of Interesting Toxicological Elements in PM2.5 by Neutron and Photon Activation Analysis
Table 1
Nuclear data and LOD of elements by INAA and IPAA (m: minutes; h: hours; d: days; y: years). LODs calculated according to [
30].
| Element | Product nuclide | Half life | -Ray used (keV) | LOD (ng m−3) |
| INAA | | | | | Ag |
110mAg | 253.0 d | 657.8 | 0.06 | Al |
28Al | 2.3 m | 1778.9 | 200 | As |
76As | 26.3 h | 559.2 | 1 | Au |
198Au | 2.70 d | 411.8 | 1 | Ba |
131Ba | 11.5 d | 496.3 | 5 | Br |
82Br | 1.47 d | 776.5 | 0.5 | Ca |
49Ca | 8.8 m | 3083.0 | 200 | Cd |
115mIn | 53.0 h | 336.6 | 0.3 | Ce |
141Ce | 32.38 d | 145.4 | 0.05 | Cl |
38Cl | 37.3 m | 1642.0 | 100 | Co |
60Co | 5.272 y | 1332.5 | 0.01 | Cr |
51Cr | 27.7 d | 320.0 | 0.2 | Cs |
134Cs | 2.062 y | 795.7 | 0.02 | Eu |
152Eu | 12.7 y | 1408.0 | 0.01 | Fe |
59Fe | 45.1 d | 1099.2 | 50 | Hf |
181Hf | 42.4 d | 482.2 | 0.01 | Hg |
203Hg | 46.9 d | 279.0 | 0.02 | I |
128I | 25.0 m | 442.7 | 0.1 | K |
42K | 12.52 h | 1524.7 | 50 | La |
140La | 40.27 h | 1596.2 | 0.1 | Mg |
27Mg | 9.5 m | 1014.1 | 50 | Mn |
56Mn | 2.58 h | 1810.7 | 0.1 | Mo |
99Mo | 2.75 d | 141.0 | 1 | Na |
24Na | 15.0 h | 1368.4 | 100 | Nd |
147Nd | 11.1 d | 531.0 | 1 | Ni |
58Co | 70.78 d | 810.7 | 1 | Rb |
86Rb | 18.66 d | 1076.7 | 1 | Sb |
122Sb | 2.70 d | 564.0 | 0.2 | Sc |
46Sc | 83.85 d | 889.2 | 0.003 | Se |
75Se | 120.4 d | 264.6 | 0.1 | Sm |
153Sm | 1.948 d | 103.1 | 0.04 | Ta |
182Ta | 115 d | 1221.6 | 0.005 | Tb |
160Tb | 72.1 d | 879.4 | 0.01 | Th |
233Pa | 27.4 d | 311.8 | 0.1 | Ti |
51Ti | 5.8 m | 320.0 | 200 | U |
239Np | 2.35 d | 228.2 | 0.03 | V |
52V | 3.76 m | 1434.4 | 1 | W |
187W | 24.0 h | 685.7 | 0.01 | Yb |
175Yb | 4.21 d | 396.1 | 0.01 | Zn |
65Zn | 243.8 d | 1115.5 | 0.5 | IPAA | | | | | As |
75As | 17.9 d | 596.0 | 0.2 | Pb |
204Pb | 52.1 h | 279.0 | 5 | Tl |
203Tl | 12.0 d | 440.0 | 0.5 | Zr |
90Zr | 79.4 h | 909.0 | 0.2 |
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