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Tributyl phosphate, known commonly as TBP, is an organophosphorus compound with the chemical formula (CH 3 CH 2 CH 2 CH 2 O) 3 PO. This colourless, odorless liquid finds some applications as an extractant and a plasticizer .
Tributylphosphine is the organophosphorus compound with the chemical formula P(CH 2 CH 2 CH 2 CH 3) 3, often abbreviated as PBu 3.It is a tertiary phosphine.It is an oily liquid at room temperature, with a nauseating odor.
Tributyl phosphate is often used, as well as dibutyl-, diamyl-, and dihexylphosphonates. The synergistic effects are thought to occur by the addition of the trialkylphosphate to the uranyl-DEHPA complex by hydrogen bonding.
The organic solvent consists of 30% tributyl phosphate (TBP) in a hydrocarbon such as kerosene. Uranyl(VI) UO 2+ 2 ions are extracted in the organic phase as UO 2 (NO 3) 2 ·2TBP complexes; plutonium is extracted as similar complexes. The heavier actinides, primarily americium and curium, and the fission products remain in the aqueous phase ...
Organophosphates have long been used in the field of extractive metallurgy to liberate valuable rare earth metals from their ores. [79] Di(2-ethylhexyl)phosphoric acid and tributyl phosphate are used for the liquid–liquid extraction of these elements from the acidic mixtures form by the leaching of mineral deposits. [80]
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A special feature of uranyl nitrate is its solubility in tributyl phosphate (PO(OC 4 H 9) 3), which allows uranium to be extracted from the nitric acid solution. Its high solubility is attributed to the formation of the lipophilic adduct UO 2 (NO 3) 2 (OP(OBu) 3) 2. [citation needed]
The woman, who had neuroblastoma as a child, had two healthy pregnancies since undergoing the trial, which uses modified white blood cells to attack cancer cells. The woman, who had neuroblastoma ...