Publication Details |
| Category | Text Publication |
| Reference Category | Journals |
| DOI | 10.1016/j.chemosphere.2015.12.101 |
| Title (Primary) | A sequential extraction procedure to evaluate the mobilization behavior of rare earth elements in soils and tailings materials |
| Author | Mittermüller, M.; Saatz, J.; Daus, B. |
| Journal | Chemosphere |
| Year | 2016 |
| Department | ANA |
| Volume | 147 |
| Page From | 155 |
| Page To | 162 |
| Language | englisch |
| Keywords | Leachability; Fractionation; Bioavailability; ICP-MS; REE; BCR sequential extraction procedure |
| UFZ wide themes | RU4; |
| Abstract | A novel sequential extraction method for evaluation of the mobilization behavior of rare earth elements in soils and mine tailings materials is presented. The sequence consists of the following four steps: 0.05 mol L−1 calcium nitrate (easily soluble and ion exchange fraction), 0.1 mol L−1 citric acid (fraction mobilized by complexation and carbonate bound), 0.05 mol L−1 hydroxylamine hydrochloride (pH = 2) (reducible fraction), 1.4 mol L−1 nitric acid (acid soluble fraction). The procedure was optimized with a certified soil material and a mine tailings material and was applied to eight samples of a soil profile. The different results obtained by using either the developed method or the widespread used BCR-Method for comparison are discussed. There were clear advantages using the newly created sequential extraction procedure in getting more detailed information about the bioavailable fraction and a fraction addressing REE phosphates. |
| Persistent UFZ Identifier | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=16956 |
| Mittermüller, M., Saatz, J., Daus, B. (2016): A sequential extraction procedure to evaluate the mobilization behavior of rare earth elements in soils and tailings materials Chemosphere 147 , 155 - 162 |
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