acetohydroxamic acid
Abbreviation(s)
AHA
Chemical group
Formula
C2H5NO2 CHON
Molecular mass
75.067 g/mol
Processes
Elements separated
Np, Pu
Country of origin
France,
Germany
Country that has performed tests
France,
Spain,
UK,
USA
Distribution coefficients
| Element | Value | Conc. | Add. ligand | Aq. acid | Organic diluent | Temp. | Contact time | Additional | Ref. |
|---|---|---|---|---|---|---|---|---|---|
| Pu(IV) | 0.0053 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
| Pu(IV) | 0.007 | 0.1 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 33.16 g/L U | [1] |
| Pu(IV) | 0.037 | 0.1 M | TBP 30 % | HNO3 0.3 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 34.54 g/L U | [1] |
| Pu(IV) | 0.396 | 0.1 M | TBP 30 % | HNO3 0.4 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 32.46 g/L U | [1] |
| Pu(IV) | 0.05 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 35.3 g/L U | [1] |
| Pu(IV) | 0.095 | 0.1 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 36.8 g/L U | [1] |
| Pu(IV) | 0.344 | 0.1 M | TBP 30 % | HNO3 2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 44.52 g/L U | [1] |
| Pu(IV) | 1.005 | 0.1 M | TBP 30 % | HNO3 3 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 44.51 g/L U | [1] |
| Pu(IV) | 3.195 | 0.1 M | TBP 30 % | HNO3 4 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 45.54 g/L U | [1] |
| Pu(IV) | 0.081 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.06 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 16.73 g/L U | [1] |
| Pu(IV) | 0.036 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 27.9 g/L U | [1] |
| Pu(IV) | 0.037 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 29.01 g/L U | [1] |
| Pu(IV) | 0.03 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 32.09 g/L U | [1] |
| Pu(IV) | 0.029 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 32.1 g/L U | [1] |
| Pu(IV) | 0.04 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 32.13 g/L U | [1] |
| Pu(IV) | 0.036 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 32.86 g/L U | [1] |
| Pu(IV) | 0.025 | 1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 33.01 g/L U | [1] |
| Pu(IV) | 0.035 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 33.24 g/L U | [1] |
| Pu(IV) | 0.008 | 3 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 33.96 g/L U | [1] |
| Pu(IV) | 0.031 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 34.41 g/L U | [1] |
| Pu(IV) | 0.025 | 0.3 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 34.7 g/L U | [1] |
| Pu(IV) | 0.051 | 0.03 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 35.9 g/L U | [1] |
| Pu(IV) | 0.102 | 0.01 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 36.95 g/L U | [1] |
| Pu(IV) | 0.057 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 38.03 g/L U | [1] |
| Pu(IV) | 0.037 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 48.24 g/L U | [1] |
| Pu(IV) | 0.036 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 62.74 g/L U | [1] |
| Pu(IV) | 0.035 | 0.1 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1 g/L Pu; 72.91 g/L U | [1] |
| Pu(IV) | 0.0007 | 0.5 M | TBP 30 % | HNO3 0.1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0009 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0029 | 0.5 M | TBP 30 % | HNO3 0.4 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0082 | 0.5 M | TBP 30 % | HNO3 0.6 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.026 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.098 | 0.5 M | TBP 30 % | HNO3 1.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.131 | 0.5 M | TBP 30 % | HNO3 2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.23 | 0.5 M | TBP 30 % | HNO3 3 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0016 | 0.25 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.004 | 0.05 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.022 | 0.025 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0035 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 3.28 g/L U | [1] |
| Pu(IV) | 0.0031 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 6.59 g/L U | [1] |
| Pu(IV) | 0.0052 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 9.89 g/L U | [1] |
| Pu(IV) | 0.005 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 13.8 g/L U | [1] |
| Pu(IV) | 0.0065 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 18.7 g/L U | [1] |
| Pu(IV) | 0.045 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 1.15 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.041 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 2.29 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.041 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 5.62 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.045 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 8.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.044 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.59 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.07 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 23.97 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.108 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 33.57 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0051 | 0.5 M | TBP 30 % | HNO3 0.1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 9.95 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.011 | 0.5 M | TBP 30 % | HNO3 0.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.22 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.023 | 0.5 M | TBP 30 % | HNO3 0.75 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 13.1 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.054 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.86 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.132 | 0.5 M | TBP 30 % | HNO3 1.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.09 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.205 | 0.5 M | TBP 30 % | HNO3 2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.36 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 1.296 | 0.5 M | TBP 30 % | HNO3 5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.33 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 4.165 | 0.5 M | TBP 30 % | HNO3 7 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.33 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.205 | 0.05 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.33 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.15 | 0.1 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.56 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.082 | 0.25 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.48 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.048 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.32 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.029 | 0.75 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.75 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.028 | 1 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.76 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.015 | 2 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.12 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.042 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.5 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.044 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.63 g/L Pu; 0.9 g/L U | [1] |
| Pu(IV) | 0.047 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.82 g/L Pu; 4.4 g/L U | [1] |
| Pu(IV) | 0.047 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 10.27 g/L Pu; 8.7 g/L U | [1] |
| Pu(IV) | 0.04 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 9.05 g/L Pu; 23 g/L U | [1] |
| Pu(IV) | 0.035 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.78 g/L Pu; 32 g/L U | [1] |
| Pu(IV) | 0.024 | 0.5 M | TBP 30 % | HNO3 1 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 11.49 g/L Pu; 44 g/L U | [1] |
| Pu(IV) | 0.019 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 12 g/L Pu; 58 g/L U | [1] |
| Pu(IV) | 0.0034 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 0 g/L U | [1] |
| Pu(IV) | 0.0034 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 5 g/L U | [1] |
| Pu(IV) | 0.0036 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 20 g/L U | [1] |
| Pu(IV) | 0.0048 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 40 g/L U | [1] |
| Pu(IV) | 0.0029 | 0.5 M | TBP 30 % | HNO3 0.75 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
| Pu(IV) | 0.0004 | 0.5 M | TBP 30 % | HNO3 1.5 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
| Pu(IV) | 0.0006 | 0.5 M | TBP 30 % | HNO3 2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
| Pu(IV) | 0.0161 | 0.5 M | TBP 30 % | HNO3 3 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
| Pu(IV) | 0.0639 | 0.5 M | TBP 30 % | HNO3 0.2 M | Odourless kerosene or exxon d-80 | 22°C | 5 min | 0.05 g/L Pu; 60 g/L U | [1] |
Stability
| Type of study | Conditions | Ref. |
|---|---|---|
| Hydrolysis | Range: 25,40,60,80°C; 1,2,3,4M HNO3, 0-3 h | [2] |