Table 5 Variation of impurity concentrations during the precipitation step
From: Identification of uranium signatures relevant for nuclear safeguards and forensics
Ratio precipitate versus loaded solution (separation factor) | Barren mother concentrations in (μg g−1) (±uncertainty) | Ratio precipitate versus loaded solution (separation factor) | Barren mother concentrations in μg g−1 (±uncertainty) | ||
|---|---|---|---|---|---|
Ag | Less than 3.9E−02 | Na | 4.43 | 1.22E+01 ± 7.1E−01 | |
Al | 0.039 | Less than 9.5E−01 | Nb | 0.82 | Less than 9.8E−04 |
As | 1.51 | 3.38E−02 ± 2.0E−03 | Nd | 0.23 | Less than 1.4E−03 |
Au | Higher than 186 | 1.06E−02 ± 6.2E−04 | Ni | Less than 8.5E−02 | |
B | 1.50 | 8.08E−01 ± 4.7E−02 | Os | Less than 5.3E−02 | |
Ba | 0.34 | Less than 4.6E−03 | P | 1.05 | Less than 2.3E+00 |
Be | Less than 5.1E−02 | Pb | Less than 2.0E−02 | ||
Bi | 1.89 | 5.20E−03 ± 3.0E−04 | Pd | Higher than 3 | 1.16E−03 ± 6.7E−05 |
Ca | 1.41 | 9.52E+00 ± 5.5E−01 | Pr | Less than 9.0E−05 | |
Cd | 0.95 | Less than 1.2E−03 | Pt | 1.16 | Less than 8.1E−04 |
Ce | 0.11 | Less than 3.3E−04 | Rb | 1.10 | Less than 2.4E−02 |
Co | 166 | 1.04E+00 ± 6.0E−02 | Re | 7.85 | 2.89E−04 ± 1.7E−05 |
Cr | 0.39 | Less than 6.7E−03 | Ru | Less than 4.4E−04 | |
Cs | Less than 5.9E−03 | S | 114 | 1.46E+04 ± 8.5E+02 | |
Cu | Less than 4.0E−02 | Sb | 0.81 | Less than 5.0E−04 | |
Dy | 0.70 | Less than 1.1E−04 | Sc | 0.86 | Less than 1.4E−03 |
Er | Less than 9.6E−05 | Se | Higher than 12 | 2.64E−01 ± 1.5E−02 | |
Eu | Less than1.1E−04 | Si | Less than 6.5E+01 | ||
Fe | 0.28 | Less than 3.9E−01 | Sm | Less than 7.0E−04 | |
Ga | 0.62 | Less than 2.5E−03 | Sn | Higher than 78 | Less than 1.7E−02 |
Gd | 0.36 | Less than 2.5E−04 | Sr | 0.32 | 9.57E−04 ± 5.5E−05 |
Ge | Higher than 1.4 | Less than 1.0E−01 | Ta | Less than 3.7E−03 | |
Hf | 0.96 | Less than 2.1E−04 | Tb | Less than 4.1E−05 | |
Hg | Less than 3.2E−02 | Te | 1.15 | Less than 5.1E−03 | |
Ho | Less than 2.9E−05 | Th | 0.84 | Less than 6.1E−04 | |
In | Less than 1.0E−03 | Ti | 0.54 | Less than 1.3E−02 | |
Ir | 1.29 | Less than 8.5E−03 | Tl | Less than 5.0E−04 | |
K | 1.82 | 1.87E+00 ± 1.1E−01 | Tm | Less than 3.7E−05 | |
La | 0.81 | Less than 5.0E−04 | V | Less than 8.3E−03 | |
Li | Higher than 1.8 | Less than6.3E−02 | W | 0.92 | Less than 3.3E−03 |
Lu | Less than 2.7E−05 | Y | 0.32 | Less than 7.2E−04 | |
Mg | 3.57 | 4.88E+00 ± 2.8E−01 | Yb | Less than 5.8E−05 | |
Mn | 14.2 | 7.72E−01 ± 4.5E−02 | Zn | 1.41 | Less than 4.8E−01 |
Mo | 1.13 | 1.14E−03 ± 6.6E−05 | Zr | 0.83 | 5.49E−03 ± 3.2E−04 |