Results 11 to 20 of about 495 (184)
Extraction rate of lanthanum by D2EHPA.
KAGAKU KOGAKU RONBUNSHU, 1987 D2EHPA-SHELLSOL-K®を有機相として, ランタンの正抽出速度と逆抽出速度を平面接触撹拌槽を用いて測定した.正抽出反応は, 水相のランタン濃度の一次, 有機相試薬濃度の三次に比例し, 水素イオン濃度の三次に反比例した.逆抽出反応は, 有機相ランタン濃度の一次に比例した.これらを解析した結果, 内圏型錯体の生成を律速とする抽出速度式にまとめることができた.また, 抽出速度式から求められた抽出平衡定数は, 平衡実験から求められた定数とよく一致した。一方, 有機相に界面活性剤Span80®を添加した系では, 界面活性剤濃度が高くなるにしたがって正抽出反応速度, 逆抽出反応速度はともに低下し, 界面活性剤が界面に吸着したことによる影響がみられた。
Imai, Masanao, Furusaki, Shintaro
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Pemisahan Ion Logam Timbal(II) Menggunakan Resin Terimpregnasi (SIR) dengan D2EHPA
Jurnal Kimia Sains dan Aplikasi, 2017 Telah dilakukan penelitian Pemisahan Ion Timbal (II) Menggunakan Resin terimpregnsai (SIR) dengan D2EHPA. Pemisahan ion timbal(II) dari larutan dilakukan dengan menggunakan resin anion basa kuat (counter ion NO3-) dan D2EHPA (Asam di-2-etilheksilfosfat).
Ika Yunita +2 more
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Iranian Journal of Materials Science and Engineering, 2021 Solvent extraction of samarium from aqueous solutions by two different types of extractants, namely D2EHPA and PC88A, in kerosene was investigated. Through identification of speciation diagrams, the chemically stable complexes of samarium in different ...
Hamed Tavakoli +3 more
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Extraction and Transport of Thorium(IV) by Polymer Inclusion Membranes Incorporating Di-(2-ethylhexyl) Phosporic Acid as the Carrier Extractant [PDF]
مجله علوم و فنون هستهای, 2018 Extraction and transport of thorium (IV) from nitrate solutions was investigated using polymer inclusion membrane (PIM), based on di(-2-ethylhexyl) phosphoric acid (D2EHPA) and poly(vinyl chloride) (PVC).
H. R Arabi, S A. Milani, H Abolghasemi
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Mass transfer process study of Fe(III) extraction from ammonium dihydrogen phosphate solution [PDF]
Journal of the Serbian Chemical Society, 2020 The crystallization of ammonium dihydrogen phosphate (MAP) is largely affected by certain metal ions such as Fe (III), and the influence seems to be pointed at both ends.
Li Weiqi +5 more
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Jurnal Kimia Sains dan Aplikasi, 2003 Telah dilakukan penelitian tentang pemisahan logam berat Ag, Cu, Fe, Ni, Pb dan Zn menggunakan teknik Membran Cair Berpendukung (SLM) dengan asam di2etilheksilfosfat (D2EHPA) sebagai pembawa. Pemisahan dilakukan dalam perangkat SLM selama 5 jam.
Muhammad Cholid Djunaidi, Abdul Haris
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Development of Flow Type Cesium Removing Device Using Fluorinated Solvent [PDF]
MATEC Web of Conferences, 2021 In order to simultaneously achieve separation and volume reduction of radioactive cesium in the aqueous solution, we proposed a solvent extraction using a fluorinated solvent which is a nonflammable liquid having a low boiling point and is easy to ...
Suzuki Motoshi +4 more
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Desalination and Water Treatment, 2015 AbstractSolvent extraction experiments of Ca2+ with D2EHPA and 15% saponified D2EHPA from cation-exchange resin regeneration wastewater have been performed. Compared with the extraction efficiency (E) of Ca2+ with D2EHPA, the use of 15% saponified D2EHPA significantly increases the extraction efficiency (E) of Ca2+.
Luo Jian-Hong, Li Jun, Lin Long-fei
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Metals, 2023 Centrifugal spinning was utilized in producing polyacrylonitrile (PAN) nanofibers loaded with extractant di-(2-ethylhexyl) phosphoric acid (D2EHPA) for efficient adsorption recovery of gallium from aqueous solutions. The adsorption experimental data were
Bibiane Nardes Segala +5 more
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Kinetics and Thermodynamics of Uranium Adsorption Using Impregnated Magnetic Graphene Oxide [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2020 Magnetic Graphene Oxide(MGO) impregnated Di(2-Ethyl Hexyl)Phosphoric Acid (D2EHPA) (DMGO) was prepared by multi-impregnation. The structures of GO and DMGO were characterized by FT-IR, TGA, EDX, SEM, and XRD.
Mohamed A. Gado +2 more
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