Results 231 to 240 of about 1,449,742 (274)

Electromembrane Extraction for Metal and Metalloid Analysis: Species-Dependent Transport, Coordinated Method Design, and Evidence-Based Translation. [PDF]

Membranes (Basel)
Zheng Y, Xing Y, Wang F, Wang H, Han F, Li C, Ren Y, Wang G, Lin B, Zhou S.   +9 more
europepmc   +1 more source

Optimization of thorium solvent extraction process from feed solution with Cyanex 272 by response surface methodology (RSM). [PDF]

Sci Rep
Khanramaki F, Keshtkar AR.
europepmc   +1 more source

Understanding the Flotation Separation of Fluorite from Bayan Obo Deposits Using Phthalic Acid. [PDF]

ACS Omega
Guo C, Cao Z, Wang W, Jin H.
europepmc   +1 more source

Ionizing Radiation Dose to the Skin Assessed after Rapid Detection of 232 Th in Consumer Products. [PDF]

Health Phys
Karbiwnyk C, Stafford P, Malkin E, Garnick K, Scott TA, Wei C.   +5 more
europepmc   +1 more source

Clinical Image-Based Dosimetry of Actinium-225 in Targeted Alpha Therapy. [PDF]

Cancers (Basel)
Ramonaheng K, Banda K, Qebetu M, Goorhoo P, Legodi K, Masogo T, Seebarruth Y, Mdanda S, Sibiya S, Mzizi Y, Davis C, Smith L, Ndlovu H, Kabunda J, Maes A, Van de Wiele C, Al-Ibraheem A, Sathekge M.   +17 more
europepmc   +1 more source

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Study on Thorium Recovery From Bastnaesite Treatment Process

Journal of Rare Earths, 2012
Abstract Thorium (Th) stripping behavior from HEH/EHP (2-(ethylhexyl) phosphoric acid mono-2-ethylhexyl ester) with H 2 SO 4 , HCl and HNO 3 were investigated. The results indicated that H 2 SO 4 was the most effective stripping reagent compared with HCl and HNO 3 . Selecting H 2 SO 4 as the stripping reagent, the effect of phase ratio, acidity, H
Xiaowei Huang, Dali Cui, Zhiqi Long
exaly   +2 more sources

Recovery of Ra-223 From Natural Thorium Irradiated by Protons

Radiochimica Acta, 2016
AbstractIrradiation of natural thorium with medium-energy protons is considered to be a prospective approach to large-scale production of225Ac and223Ra. In addition to the earlier-developed method of225Ac isolation, the present work focuses on the simultaneous recovery of.223Ra from the same thorium target.
Stepan Kalmykov, Aleksandr N Vasiliev, Boris L Zhuikov   +2 more
exaly   +2 more sources

Recovery of Uranium, Thorium and Rare Earth From Industrial Residues

Hydrometallurgy, 2018
Abstract This paper addresses the development of a process to recovery uranium, thorium and rare earth elements from an industrial residue, with a subsequent removal of U and Th from the liquor generated. Sulfuric acid digestion followed by water leaching was found to be the best method to solubilise the metals.
Carlos A Morais
exaly   +2 more sources

Selective Recovery of Uranium and Thorium Ions From Dilute Aqueous Solutions by Animal Biopolymers

Biological Trace Element Research, 2002
Selective actinide ion recovery from dilute, aqueous, multication waste streams is an important problem. The recovery of uranium (U) and thorium (Th) by various animal biopolymers was examined. Of four species of biopolymers tested, a high uptake of uranium and thorium was found in hen eggshell membrane (ESM) and silk proteins, with the maximum uranium
Kyozo Suyama, Shin-Ichi Ishikawa
exaly   +3 more sources

Thorium and Rare Earth Recovery in Canada: The First 30 Years

Canadian Metallurgical Quarterly, 2013
AbstractPioneering methods to recover thorium and rare earths as byproducts of uranium recovery were developed and applied in Elliot Lake, Ontario, during the 1960s. The district became a major supplier of these key elements from about 1960 until 1990 and at one stage supplied much of the world’s thorium and perhaps one third of its yttrium. This paper
exaly   +2 more sources