Table 6.
Comparison of LODs of elements in [μg/g] obtained for examined organs using TXRF with the literature values for other analytical techniques.
| LOD calculated for TXRF measurements | Literature values of LOD for other techniques | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Liver | Brain | Heart | Kidney | Muscle | Spleen | F-AAS | GF-AAS | ICP-OES | ICP-MS | |
| P |
19.5 (4.9)# |
13.3 (1.4) |
11.7 (1.9) |
14.1 (3.5) |
28.6 (7.5) |
19.8 (3.9) |
n.f. | 0.5 μg/ga139 | 0.68 μg/ga140 | n.f. |
| S |
5.0 (1.0) |
4.96 (0.50) |
4.80 (0.61) |
5.3 (1.7) |
10.2 (2.5) |
6.79 (0.61) |
30 μg/ga141 | n.f. | 8.7 μg/ga142 | 0.004 μg/ga143 |
| K |
2.37 (0.59) |
2.16 (0.26) |
1.76 (0.30) |
1.88 (0.57) |
4.5 (1.3) |
3.06 (0.51) |
0.01 μg/ga144 0.1 μg/ga144 |
0.0032 μg/ga145 | 0.68 μg/ga140 | 3 μg/g38 |
| Ca |
1.49 (0.51) |
0.74 (0.25) |
0.66 (0.25) |
0.72 (0.23) |
1.9 (1.1) |
1.44 (0.71) |
0.01 μg/g34 | n.f. | 0.005 69 | 0.801 μg/g101 |
| Fe |
0.24 (0.18) |
0.116 (0.014) |
0.111 (0.015) |
0.129 (0.040) | 0.266 (0.082) |
0.229 (0.035) |
0.08 μg/g34 | 1.6 μg/g45 | 0.5 μg/g69–2.3 μg/g45 | 0.00149 μg/g98–4 μg/g38 |
| Cu |
0.095 (0.021) |
0.0764 (0.0084) |
0.067 (0.011) |
0.080 (0.025) | 0.174 (0.058) |
0.116 (0.024) |
0.03 μg/g34 | 0.00000017 μg/g60–0.2 μg/g45 | 0.0109 μg/g76–2.1 μg/g45 | 0.00059 μg/g98–0.1 μg/g38 |
| Zn |
0.092 (0.021) |
0.0722 (0.0080) |
0.065 (0.014) |
0.082 (0.027) | 0.176 (0.054) |
0.123 (0.026) |
0.03 μg/g34 | 0.3 μg/g45 | 0.0357 μg/g76–1.1 μg/g45 | 0.00251 μg/g98–0.9 μg/g101 |
| Se | 0.0413 (0.0058) | 0.0403 (0.0055) | 0.0335 (0.0035) | 0.043 (0.013) | 0.090 (0.026) | 0.0527 (0.0052) | 0.0032 μg/gab146 | 0.26–1.0a147 | 0.0002 μg/g56 | 0.0015 μg/g101–0.12 μg/g18 |
#LOD in [μg/g] together with the uncertainty calculated as standard deviation;
aValue from the paper that does not concern the analysis biomedical samples;
bDetermined using HG-AAS;
n.f. value not found in the discussed papers or not expressed in consistent unit.