Original Papers (after 2001)
Nishihama, S.; Mori, R.; Hirabayashi, K.; Arise, M.; Shiratsuchi, H.; Kuwabara, T.; Amaike, M.; Yoshizuka, K. Adsorption of Fluoride Ions Using Si-Al-Mg Layered Double Hydroxides. Solvent Extr. Ion Exch in press.  << PDF >>
Nishihama, S.; Sasaki, K.; Enta, N.; Kabay, N.; Yoshizuka, K. Separation of Boron and Arsenic from Geothermal Water Using a Glucamine-Based Chelate Adsorbent. J. Chem. Eng. Japan 2024, 57(1), #2297558.  << PDF >>
Hoang, V.A.; Yoshizuka, K.; Nishihama, S. Oxidative Adsorption of Arsenic from Water Environment by Activated Carbon Modified with Cerium Oxide/Hydroxide. Chem. Eng. Res. Des. 2022, 186, 161-173.  << PDF >>

Hoang, V.A.; Nishihama, S.; Yoshizuka, K. Selective Adsorption of Lead(II) from Aqueous Solution. Env. Technol. 2022, 43(14), 2124-2134.  << PDF >>

Hamabe, S.; Tawara, S.; Nishihama, S.; Yoshizuka, K. Ultrafiltration System of an MFI-Type Zeolite-Coated Membrane in N,N-Dimethylformamide Solvent. J. Env. Chem. Eng. 2022, 10, 107094.  << PDF >>
Pham, M.T.; Nishihama, S.; Yoshizuka, K. Effect of Operational Conditions on Arsenic Removal from Aqueous Solution Using Electrodialysis. Solvent Extr. Ion Exch. 2021, 39(5-6), 655-667.  << PDF >>

Yoshizuka, K.; Nishihama, S.; Takano, M.; Asano, S. Lithium Recovery from Brines with Novel λ-MnO2 Adsorbent Synthesized by Hydrometallurgical Method. Solvent Extr. Ion Exch. 2021, 39(5-6), 604-621.  << PDF >>
Moon, J.Y.; Takajo, C.; Nishihama, S.; Yoshizuka, K. Separation and Recovery of Scandium and Yttrium from Aqueous Chloride Media by Integrated Ion Exchange Method. Solvent Extr. Res. Dev. Jpn. 2020, 27(2), 91-97.  << PDF >>

Hoang, V.A.; Chen, Y.W.; Nishihama, S.; Yoshizuka, K.; Wang, Y.F. Reductive Adsorption of Chromium(VI) by Coal-Based Activated Carbon. J. Chem. Eng. Japan 2020, 53(10), 599-607.  << PDF >>

Pham, M.T.; Nishihama, S.; Yoshizuka, K. Concentration of Lithium by Forward Osmosis. Hydrometallurgy 2020, 197, Article #105485.  << PDF >>

Ipekci, D.; Kabay, N.; Bunani, S.; Altiok, E.; Arda, M.; Yoshizuka, K.; Nishihama, S. Application of Heterogeneous Ion Exchange Membranes for Simultaneous Separation and Recovery of Lithium and Boron from Aqueous Solution with Bipolar Membrane Electrodialysis (EDBM). Desalination 2020, 479, 114313.  << PDF >>

Pham, M.T.; Nishihama, S.; Yoshizuka, K. Arsenic Removal from Aqueous Solutions by Forward Osmosis. J. Chem. Eng. Japan 2020, 53(3), 95-99.  << PDF >>
Hoang, V.A.; Nishihama, S.; Yoshizuka, K. Adsorptive Removal of Arsenic from Aqueous Environment. J. Chem. Eng. Japan 2019, 52(11), 829-834.  << PDF >>

Takano, M.; Asano, S.; Nishihama, S.; Yoshizuka, K. Development of λ-MnO2 Adsorbent for Lithium Recovery from Salt Lake Brine. J. MMIJ 2019, 135(9), 83-88.  << PDF >>

Moon, J.Y.; Yamada, E.; Nishihama, S.; Yoshizuka, K. Separation of Scandium from Yttrium in Aqueous Chloride Media by Solvent Extraction with an Acidic Phosphinate Extractant. Solvent Extr. Res. Dev. Jpn. 2019, 26(2), 99-104.  << PDF >>
Recepoglu, Y.K.; Kabay, N.; Yoshizuka, K.; Nishihama, S.; Yilmaz-Ipek, I.; Arda, M.; Yuksel, M. Effect of Operational Conditions on Separation of Lithium from Geothermal Water by λ-MnO2 Using Adsorption-Membrane Filtration Hybrid Process. Solvent Extr. Ion Exch. 2018, 36(5), 499-512.  << PDF >>

Moon, J.Y.; Nishihama, S.; Yoshizuka, K. Recovery of Platinum and Palladium from Spent Automobile Catalyst by Solvent-Impregnated Resins. Solvent Extr. Ion Exch. 2018, 36(5), 470-479.  << PDF >>

Ipekci, D.; Altiok, E.; Bunani, S.; Yoshizuka, K.; Nishihama, S.; Arda, M.; Kabay, N. Effect of Acid-Base Solutions Used in Acid-Base Compartments for Simultaneous Recovery of Lithium and Boron from Aqueous Solution Using Bipolar Membrane Electrodialysis (BMED). Desalination 2018, 448, 69-75.  << PDF >>

Kuraoka, A.; Umebayashi, T. Nishihama, S.; Yoshizuka, K. Oxidative Adsorption of Arsenic by N-Methylglucamine-modified Chelate Fiber and Manganese Dioxide. J. Ion Exch. 2018, 29(3), 163-165.  << PDF >>

Sekimoto, T.; Nishihama, S.; Yoshizuka, K. Extraction of Lithium from Salt Lake Brine with Tributyl Phosphate and an Ionic Liquid. Solvent Extr. Res. Dev., Jpn. 2018, 25(2), 117-123.  << PDF >>

Recepoglu, Y.K.; Kabay, N.; Yilmaz-Ipek, I.; Arda, M.; Yuksel, M.; Yoshizuka, K.; Nishihama, S. Packed Bed Column Dynamic Study for Boron Removal from Geothermal Brine by a Chelating Fiber and Breakthrough Curve Analysis by Using Mathematical Models. Desalination 2018, 437, 1-6.  << PDF >>

Sekimoto, T.; Nishihama, S.; Yoshizuka, K.; Maeda, R. Adsorptive Removal of Sulfamethoxazole with Shell-Core Chitosan Immobilized Metal Ion. Sep. Sci. Technol. 2018, 53(7), 1116-1123.  << PDF >>

Nishihama, S.; Harano, T.; Yoshizuka, K. Silica-Based Solvent Impregnated Adsorbent for Separation of Rare Earth Metals. Sep. Sci. Technol. 2018, 53(7), 1027-1033.  << PDF >>

Recepoglu, Y.K.; Kabay, N.; Yilmaz-Ipek, I.; Arda, M.; Yuksel, M.; Yoshizuka, K.; Nishihama, S. Elimination of Boron and Lithium Coexisting in Geothermal Water by Adsorption-Membrane Filtration Hybrid Process. Sep. Sci. Technol. 2018, 53(6), 856-862.  << PDF >>
Bunani, S.; Yoshizuka, K.; Nishihama, S.; Arda, M.; Kabay, N. Application of Bipolar Membrane Electrodialysis (BMED) for Simultaneous Separation and Recovery of Boron and Lithium from Aqueous Solutions. Desalination 2017, 424, 37-44.  << PDF >>

Recepoglu, Y.K.; Kabay, N.; Yilmaz-Ipek, I.; Arda, M.; Yoshizuka, K.; Nishihama, S.; Yuksel, M. Equilibrium and Kinetic Studies on Lithium Adsorption from Geothermal Water by λ-MnO2. Solvent Extr. Ion Exch. 2017, 35(3), 221-231.  << PDF >>

Recepoglu, Y.K.; Kabay, N.; Yilmaz-Ipek, I.; Arda, M.; Yoshizuka, K.; Nishihama, S.; Yuksel, M. Deboronation of Geothermal Water Using N-methyl-D-glucamine Based Chelating Resins and a Novel Fiber Adsorbent: Batch and Column Studies. J. Chem. Technol. Biotechnol. 2017, 92(7), 1540-1547.  << PDF >>

Watari, T.; Takase, D.; Nishihama, S.; Yoshizuka, K. Separation of Cobalt and Nickel with 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester Using Countercurrent Mixer-Settler Cascade. Solvent Extr. Res. Dev., Jpn. 2017, 24(2), 131-140.  << PDF >>

Bunani, S.; Arda, M.; Kabay, N.; Yoshizuka, K.; Nishihama, S. Effect of Process Conditions on Recovery of Lithium and Boron from Water Using Bipolar Membrane Electrodialysis (BMED). Desalination 2017, 416, 10-15.  << PDF >>

Sasaki, Y.; Yoshimitsu, R.; Nishihama, S.; Shimobori, Y.; Shiroishi, H. Solvent Extraction of Metal Ions Using a New Extractant, Biuret(C8). Sep. Sci. Technol. 2017, 52(7), 1186-1192.  << PDF >>
Yoshimitsu, R.; Nishihama, S.; Yoshizuka, K. Adsorption of Chromium(VI) on Mesoporous Alumina. Ion Exch. Lett. 2016, 9, 1-5.  << PDF >>

Higuchi, A.; Ankei, N.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Lithium from Cathode Materials of Spent Lithium Ion Battery. JOM 2016, 68(10), 2624-2631.  << PDF >>

Nishihama, S.; Takayama, S.; Yoshizuka, K.; Fujigaya, T.; Nakashima, N. Photo-Swing Extraction System for the Separation of Lanthanide Using a Pyrene Group-Containing Thermosensitive Polymer Combined with Carbon Nanotubes. Sep. Sci. Technol. 2016, 51(15-16), 2492-2500.  << PDF >>

Furukawa, H.; Kikuchi, A.; Noriyasu, A.; Bouteau, F.; Nishihama, S.; Yoshizuka, K.; Li, X.; Kawano, T. Use of Liquefied Dimethyl Ether for Extraction of Proteins from Vegetable Tissues. Solvent Extr. Res. Dev., Jpn. 2016, 23(1), 127-135.  << PDF >>

Hara, Y. Kikuchi, A.; Noriyasu, A.; Furukawa, H. Takaichi, H.; Inokuchi, R.; Bouteau, F.; Chin, S.; Li, X.; Nishihama, S.; Yoshizuka, K.; Kawano, T. Batch Extraction of Oil from Rice Bran with Liquefied Low Temperature Dimethyl Ether. Solvent Extr. Res. Dev., Jpn. 2016, 23(1), 87-99.  << PDF >>
Nishihama, S.; Komizo, M.; Yoshizuka, K. A SAPO-5-Coated Membrane for Nanofiltration of Tetraalkyl Ammonium Hydroxide. J. Env. Chem. Eng. 2015, 3, 2722-2726.  << PDF >>

Noriyasu, A.; Furukawa, H.; Kikuchi, A.; Takaichi, H.; Bouteau, F.; Li, X.; Nishihama, S.; Yoshizuka, K.; Kawano, T. Use of Liquefied Cold Temperature Dimethyl Ether for Extraction of Pigments from Fresh Vegetable Tissues. Adv. Hort. Sci. 2015, 29(1), 48-52.

Murakami, H.; Nishihama, S.; Yoshizuka, K. Separation and Recovery of Gold from Waste LED Using Ion Exchange Method. Hydrometallurgy 2015, 157, 194-198.  << PDF >>
Nishihama, S., Kawasaki, A.; Yoshizuka, K. Separation and Recovery of Eu(III) and Y(III) with Solvent Impregnated Resin Coated by Crosslinked Chitosan. J. Ion Exch. 2014, 25(4), 93-98.  << PDF >>

Nishihama, S.; Matsunaga, S.; Takayama, S.; Ookubo, T.; Yoshizuka, K.; Fujigaya, T.; Nakashima, N. Thermal-Swing Adsorption of Europium(III) with Poly(N-isopropylacrylamide) Combined with Acidic Extractant. Solvent Extr. Res. Dev., Jpn. 2014, 21(1), 37-45.  << PDF >>
Nishihama, S.; Tsutsumi, Y.; Yoshizuka, K. Separation of Tetramethyl Ammonium Hydroxide Using an MFI-Type Zeolite-Coated membrane. Sep. Purif. Technol. 2013, 120, 129-133.  << PDF >>

Nishihama, S.; Kohata, K.; Yoshizuka, K. Separation of Lanthanum and Cerium Using a Coated Solvent-Impregnated Resin. Sep. Purif. Technol 2013, 118, 511-518.  << PDF >>

Nishihama, S.; Witty, R.P.; Martin, L.R.; Nash, K.L. Thermodynamic Features of Benzene-1,2-Diphosphonic Acid Complexes with Several Metal Ions. Solv. Extr. ion Exch. 2013, 31, 370-383.  << PDF >>

Guo, F.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Valuable Metals ffrom Spent Li-ion Batteries Using Solvent-Impregnated Resins. Env. Technol. 2013, 34(10), 1307-1317.  << PDF >>

Ookubo, T.; Nishihama, S.; Yoshizuka, K. Separation and Recovery of Nickel from Waste Electroless Nickel-Phosphorous Plating Solution. Solvent Extr. Res. Dev., Jpn. 2013, 20, 149-157.  << PDF >>
Nishihama, S.; Sumiyoshi, Y.; Ookubo, T.; Yoshizuka, K. Adsorption of Boron Using Glucamine-Based Chelate Adsorbents. Desalination 2012, 310, 81-86.  << PDF >>

Nishihama, S.; Murakami, M.; Igarashi, N.Y.; Yamamoto, K.; Yoshizuka, K. Separation and Recovery of Tetramethyl Ammonium Hydroxide with Mesoporous Silica Having a Hexagonal Structure (MCM-41). Solv. Extr. Ion Exch. 2012, 30(7), 724-734.  << PDF >>

Guo, F.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Copper, Cobalt and Nickel from Aqueous Chloride Media Using Solvent Impregnated Resins. Solv. Extr. Ion Exch. 2012, 30(6), 579-592.  << PDF >>

Park, J.E.; Sato, H.; Shibata, S.; Shao, S.; Nishihama, S.; Yoshizuka, K. Adsorption Behavior of Arsenic by Fe3O4, TiO2, and Al2O3 Adsorbents. J. Ion Exch. 2012, 23(3), 82-87.  << PDF >>

Park, J.E.; Sato, H.; Nishihama, S.; Yoshizuka, K. Separation and Recovery of Lithium from Geothermal Water by Sequential Adsorption Process with λ-MnO2 and TiO2. Ion Exchange Letters 2012, 5, 1-5.  << PDF >>

Park, J.E.; Sato, H.; Nishihama, S.; Yoshizuka, K. Lithium Recovery from Geothermal Water by Combined Adsorption Methods. Solv. Extr. Ion Exch. 2012, 30(4), 398-404.  << PDF >>

Tanaka, S.; Harada, A.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Platinum Group Metals from Spent Automobile Catalyst by Integrated Ion Exchange Methods. Sep. Sci. Technol. 2012, 47, 1369-1373.  << PDF >>

Kawasaki, A.; Nishihama, S.; Yoshizuka, K. Adsorption of Tetraalkyl Ammonium Hydroxide with Mesoporous Silica. Sep. Sci. Technol. 2012, 47, 1356-1360.  << PDF >>

Nishihama, S.; Ohsawa, K.; Yamada, Y.; Yoshizuka, K.; Fujigaya, T.; Nakashima, N. Photo-Swing Extraction System for Lanthanide Separation by a Thermosensitive Polymer Gel Combined with Carbon Nanotubes. React. Funct. Polym. 2012, 72, 142-147.  << PDF >>
Higa, N.; Nishihama, S.; Yoshizuka, K. Adsorption of Europium(III) with Solvent Impregnated Kapok Fiber Containing 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester. Solvent Extr. Res. Dev., Jpn. 2011, 18, 187-192.  << PDF >>

Nishihama, S.; Onishi, K.; Yoshizuka, K. Selective Recovery Process of Lithium from Seawater Using Integrated Ion Exchange Methods. Solv. Extr. Ion Exch. 2011, 29, 421-431.  << PDF >>

Koseoglu, P.; Yoshizuka, K.; Nishihama, S.; Yuksel, U.; Kabay, N. Removal of Boron and Arsenic from Geothermal Water in Kyushu Island, Japan by Using Selective Ion Exchange Resins. Solv. Extr. Ion Exch. 2011, 29, 440-457.  << PDF >>
Yamaguchi, A.; Nishihama, S.; Yoshizuka, K. Separation of Tetramethyl Ammonium Hydroxide in Waste Water with Ion Exchange Using Activated Carbon Prepared by Bamboo. J. Ion Exchange 2010, 21, 375-381.  << PDF >>

Onishi, K.; Nakamura, T.; Nishihama, S.; Yoshizuka, K. Synergistic Solvent Impregnated Resin for Adsorptive Separation of Lithium Ion. Ind. Eng. Chem. Res. 2010, 49, 6554-6558.  << PDF >>

Yoshizuka, K.; Nishihama, S.; Sato, H. Analytical Survey of Arsenic in Geothermal Waters from Sites in Kyushu, Japan, and a Method for Removing Arsenic Using Magnetite. Environ. Geochem. Health 2010, 32, 297-302.  << PDF >>

Nakamura, T.; Higa, N.; Nishihama, S.; Yoshizuka, K. Solvent Extraction of Lanthanide Ions with a Diglycolamic Acid Extractant Based on D-Glucosamine. Solvent Extr. Res. Dev., Jpn. 2010, 17, 129-138.  << PDF >>

Nishihama, S.; Takatori, K.; Yoshizuka, K. Separation and Recovery of Tetramethyl Ammonium Hydroxide with Zeolitic Adsorbents. Ion Exchange Letters 2010, 3, 1-6.  << PDF >>
Nishihama, S.; Yoshizuka, K. Ion Exchange Adsorption of Molybdenum with Zeolitic Adsorbent. J. Environ. Eng. Manage. 2009, 19, 365-369.

Nakamura, T.; Ikawa, T.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Indium from Acid Sulfate Media with Solvent Impregnated Resin of Bis(4-cyclohexylcyclohexyl)phosphoric Acid as an Extractant. Ion Exchange Letters 2009, 2, 22-26.  << PDF >>

Nakamura, T.; Sakai, A.; Nishihama, S.; Yoshizuka, K. Solvent Extraction of Indium, Gallium and Zinc Ions with Acidic Organophosphate Having Various Bulky AlkylGroups. Solv. Extr. Ion Exch. 2009, 27, 501-512.  << PDF >>

Nakamura, T.; Nishihama, S.; Yoshizuka, K. Novel Extractant Based on D-Glucosamine for the Extraction of Molybdenum and Tungsten. Solvent Extr. Res. Dev., Jpn. 2009, 16, 47-56.  << PDF >>
Nishihama, S.; Haraguchi, A.; Kawano, T.; Michiki, K.; Nakazawa, K.; Suzuki, T.; Uezu, K.; Yoshizuka, K. Seasonal Changes in the Microbial Population of the Water Column and Sediments of the Ongagawa River, Northern Kyushu, Japan. Limnology 2008, 9, 35-45.  << PDF >>

Nishihama, S.; Imabayashi, H.; Matoba, T.; Toya, C.; Watanabe, K.; Yoshizuka, K. Micro Flow Injection System for the Urinary Protein Assay. Talanta 2008, 74, 1350-1354.  << PDF >>
Nishihama, S.; Murakami, K.; Hato, T.; Sugiura, D.; Yoshizuka, K.; Sakurai, Y. Web-Inspired Environmental Geographic Information System (Web-EGIS) for Evaluation of River Water Environments. J. Environ. Eng. Management 2007, 17, 421-425.

Suzuka, Y.; Yoshioka, Y.; Nishihama, S.; Yoshizuka, K. Simultaneous Recovery of Lithium Bromide with Ion Exchange Method. J. Ion Exchange 2007, 18(4), 514-515.   << PDF >>

Sonohara, E.; Nishihama, S.; Yoshizuka, K. The Synthesis of Zeolite A Ion Exchanger for Adsorption of Sr2+ and Cs+. J. Ion Exchange 2007, 18(4), 352-353.   << PDF >>

Nakamura, T.; Nishihama, S.; Yoshizuka, K. Separation and Recovery Process for Rare Earth Metals from Fluorescence Material Wastes using Solvent Extraction. Solvent Extr. Res. Dev., Jpn. 2007, 14, 105-113.  << PDF >>

Nishihama, S.; Hato, T.; Sugiura, D.; Yoshizuka, K.; Sakurai, Y. Development of Web Environmental Geographic Information System for Evaluating River Water Environment. Bunseki Kagaku 2007, 56, 249-253.  << PDF >>
Nishihama, S.; Tajiri, Y.; Yoshizuka, K. Separation of Lanthanides Using Micro Solvent Extraction System. Ars Separatoria Acta 2006, 4, 18-26.  << PDF >>

Kitajou, A.; Suzuka, Y.; Nishihama, S.; Suzuki, T.; Yoshizuka, K. Development of λ-MnO2 Adsorbent toward the Practical Recovery of Lithium from Seawater. J. Ion Exchange 2006, 17(1), 7-13.   << PDF >>

Lin, C.; Kadono, T.; Yoshizuka, K.; Furuichi, T.; Kawano, T. Effects of Fifteen Rare-Earth Metals on Ca2+ Influx in Tobacco Cells. Zeitschrift fur Naturforschung - Section C J. Biosciences 2006, 61, 74-80.
Michiki, K.; Haraguchi, A.; Kadono, T.; Kawano, T.; Nakazawa, K.; Nishihama, S.; Uezu, K.; Suzuki, T.; Yahata, Y.; Yoshizuka, K. Spatial and Seasonal Variations of Water Chemical Environments of the Ongagawa River, Northern Kyushu Island, Japan. Env. Sci. 2005, 18, 339-348.

Jia, Q.; Matoba, T.; Nishihama, S.; Yoshizuka, K. Micro Flow Injection Analysis Combined with Separation Technique for the Urinary Glucose Assay. Anal. Sci. 2005, 22, 99-103.  << PDF >>

Kitajou, A.; Holba, M.; Suzuki, T.; Nishihama, S.; Yoshizuka, K. Selective Recovery System of Lithium from Seawater Using a Novel Granulated λ-MnO2 Adsorbent. J. Ion Exchange 2005, 16(1), 49-54.   << PDF >>

Lin, C.; Yu, Y.; Kadono, T.; Iwata, M.; Umemura, K.; Furuichi, T.; Kuse, M.; Isobe, M.; Yamamoto, Y.; Matsumoto, H.; Yoshizuka, K.; Kawano, T. Action of Aluminum, Novel TPC1-Type Channel inhibitor, against Salicylate-Induced and Cold-Shock-Induced Calcium Influx in Tobacco BY-2 Cells. Biochem. Biophys. Res. Commn. 2005, 332, 823-830.  << PDF >>
Nishihama, S.; Nishimura, G.; Hirai, T.; Komasawa, I. Separation and Recovery of Cr(VI) from Simulated Plating Waste Using Microcapsules Containing Extractant. Ind. Eng. Chem. Res. 2004, 43, 751-757.  << PDF >>
Kitajou. A.; Suzuki, T.; Nishihama, S.; Yoshizuka, K. Selective Recovery of Lithium from Seawater Using a Novel MnO2 Type Adsorbent II - Enhancement of Lithium Ion Selectivity of the Adsorbent. Ars Separatoria Acta 2003, 2, 97-106.  << PDF >>

Nishihama S.; Hirai, T.; Komasawa, I. Advanced Liquid-Liquid Extraction Systems for the Separation of Rare Earth Ions by Combination of Conversion of the Metal Species with Chemical Reaction. J. Solid State Chem. 2003, 171, 101-108.  << PDF >>
Nishihama, S.; Scampavia, L.; Ruzicka, J. μSI: Optimization of Reagent Based Chloride Assay in Lab-on-Valve System. J. Flow Injection Anal. 2002, 19 19-23.  << PDF >>

Nishihama, S.; Hirai, T.; Komasawa, I. The Preparation of Rare Earth Phosphate Fine Particles in an Emulsion Liquid Membrane System. J. Mater. Chem. 2002, 12, 1053-1057.  << PDF >>

Nishihama, S.; Sakaguchi, N.; Hirai, T.; Komasawa, I. Extraction and Separation of Rare Earth Metals Using Microcapsules Containing Bis(2-ethylhexyl)phosphinic Acid. Hydrometallurgy 2002, 64, 35-42.  << PDF >>
Nishihama, S.; Hirai, T.; Komasawa, I. Review of Advanced Liquid-Liquid Extraction Systems for the Separation of Metal Ions by a Combination of Conversion of the Metal Species with Chemical Reaction. Ind. Eng. Chem. Res. 2001, 40, 3085-3091.  << PDF >>

Nishihama, S.; Hirai, T.; Komasawa, I. High Functional Liquid-Liquid Extraction System Using Photochemical Reduction for Metal Ions. Solvent Extr. Res. Dev., Jpn. 2001, 8, 172-185.  << PDF >>