Diamylamylphosphonate
WebAug 1, 2012 · ... 10 Diamylamyl phosphonate (DAAP) was identified as a viable extractant that provided sufficient Am (VI) recovery and lacked significant Bi (III) co-extraction. 11 … WebJan 24, 2014 · Characterizing Diamylamylphosphonate (DAAP) as an Americium Ligand for Nuclear Fuel-Cycle Applications DOI: Authors: Bruce J. Mincher Nicholas C. Schmitt Richard D. Tillotson Gracy Elias Request...
Diamylamylphosphonate
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WebOct 1, 2007 · Abstract Dibutyl phenyl phosphonate (DBPP) was synthesized by the reaction of phenyl phosphorochloridate with 1-butanol in dichloromethane, in the presence of pyridine as a base. The product was… Expand 8 Extraction studies of actinides and lanthanides by bifunctional H-phosphonates WebNTIS may be accessed online at www.ntis.gov. The NTIS Sales Desk can be reached between 8:30 a.m. and 6:00 p.m. Eastern Time, Monday through Friday at 1-800-553-6847; TDD (hearing impaired only) at 703- 487-4639 between 8:30 a.m. and 5:00 p.m Eastern Time, Monday through Friday; or fax at 703- 605-6900.
WebOxidation of Am to higher oxidation states is one option to achieve such a separation. Hexavalent Am has now been routinely prepared in our laboratory in strongly acidic … WebMar 30, 2024 · Characterizing Diamylamylphosphonate (DAAP) as an Americium Ligand for Nuclear Fuel-Cycle Applications B. Mincher, N. Schmitt, R. D. Tillotson, G. Elias, B. White, J. Law Chemistry 2014 Successful deployment of the currently-envisioned advanced nuclear fuel cycle requires the development of a partitioning scheme to separate Am …
WebCalcium Phosphate Preciptation • Add phenolphthalein indicator • Add NH 4OH to dark pink (pH 10) • Centrifuge 10 minutes at 3500 rpm • Discard the supernatant Acidification of PrecipitantAcidification of Precipitant Separate the fat/protein from the Sr • Add 20 mL of 3M HNO 3into each tube •Ca 3(PO 4) WebAug 19, 2015 · Diamylamylphosphonate Solvent Extraction of Am (VI) from Nuclear Fuel Raffinate Simulant Solution B. Mincher, L. Martin, N. Schmitt Chemistry 2012 The separation of hexavalent americium from the lanthanides in simulated PUREX raffinate solution using 1 M diamylamylphosphonate in dodecane extraction was investigated. Hexavalent …
WebFrom this solution uranium was separated to >99.9 % in a primary solvent extraction cycle using 1.0 mol/L DEHiBA ( N, N -di (2-ethylhexyl)isobutyramide in TPH (hydrogenated tetrapropene) as the organic phase. The raffinate solution from this process, containing 10 g/L Pu, was further processed in a second cycle of solvent extraction.
WebMay 24, 2024 · This separation strategy possesses superior features including fast kinetics, long-time stability, no secondary solid radioactive waste generation, and applicability … chester charters nova scotiaWeb1,3-DMAA is a drug made synthetically in a laboratory. It was originally used as a nasal decongestant. Today, 1,3-DMAA is sold as a dietary supplement used for attention … chester c. hayesWebseparated from the non-oxidizable lanthanides, using 1 M diamylamylphosphonate (DAAP) in dodecane as the solvent [1]. In that work we used room temperature oxidation … good names for girl gamersWebJul 1, 2008 · Its behavior has been demonstrated to be analogous to that of hexavalent uranyl, neptunyl, and plutonyl ions. Using UV-visible spectrophotometry, the mechanism of the oxidation with sodium... good names for girl black catsWebDimethyl (diazomethyl)phosphonate C3H7N2O3P - PubChem Apologies, we are having some trouble retrieving data from our servers... PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology … chester charter school of the arts aston paWebAug 27, 2024 · Several ligands have been evaluated for Am (VI) extraction including conventional tributylphosphate (TBP) [ 6 ], its more basic analogues dibutylbutylphosphonate (DBBP) [ 5] and diamylamylphosphonate (DAAP) [ 7 ]. chester charter school of the artsWebNov 6, 2015 · As shown in Fig. 2, this ligand binds to the metal oxide through the phosphonic acid group, creating a tpy-based surface binding site with an extensive and … good names for girls indian