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Journal Articles

Simple method for high-density impregnation of Aliquat 336 onto porous sheet and binding performance of resulting sheet for palladium ions

Tanaka, Ryota*; Ishihara, Ryo*; Miyoshi, Kazuyoshi*; Umeno, Daisuke*; Saito, Kyoichi*; Asai, Shiho; Yamada, Shinsuke*; Hirota, Hideyuki*

Separation Science and Technology, 49(1), p.154 - 159, 2014/01

 Times Cited Count:4 Percentile:19.55(Chemistry, Multidisciplinary)

Journal Articles

Modification of a hydrophobic-ligand-containing porous sheet using tri-$$n$$-octylphosphine oxide, and its adsorption/elution of bismuth ions

Tanaka, Ryota*; Ishihara, Ryo*; Miyoshi, Kazuyoshi*; Umeno, Daisuke*; Saito, Kyoichi*; Asai, Shiho; Yamada, Shinsuke*; Hirota, Hideyuki*

Reactive and Functional Polymers, 70(12), p.986 - 990, 2010/12

 Times Cited Count:7 Percentile:31.92(Chemistry, Applied)

Oral presentation

High-speed recovery of metal ions using extractant-impregnated porous sheet

Tanaka, Ryota*; Asai, Shiho; Ishihara, Ryo*; Umeno, Daisuke*; Saito, Kyoichi*; Shinohara, Nobuo

no journal, , 

no abstracts in English

Oral presentation

Development of functionalized porous polymeric sheet for inorganic analysis

Asai, Shiho; Otosaka, Shigeyoshi; Tanaka, Ryota*; Miyoshi, Kazuyoshi*; Ishihara, Ryo*; Saito, Kyoichi*; Yamada, Shinsuke*; Hirota, Hideyuki*

no journal, , 

no abstracts in English

Oral presentation

Impregnation of Aliquat 336 to carboxydecanyl-thiol-group-containing polymer chain grafted onto a porous sheet

Tanaka, Ryota*; Ishihara, Ryo*; Miyoshi, Kazuyoshi*; Umeno, Daisuke*; Saito, Kyoichi*; Asai, Shiho; Yamada, Shinsuke*; Hirota, Hideyuki*

no journal, , 

A basic extractant Aliquat 336 dissolved in a mixture of ethanol and NaOH aqueous solution was impregnated to carboxydecanyl-thiol (CDT) group containing polymer chains grafted onto a porous sheet. The CDT group was introduced into the graft chain by a reaction of the epoxy group of poly-glycidyl methacrylate (GMA) chain grafted onto the porous sheet with 11-mercaptoundecanoic acid. The electrostatic interaction between the carboxyl moiety of the CDT group and the quaternary ammonium group of Aliquat 336 gave rise to a high-density impregnation of Aliquat 336. Palladium chloride (50 mg-Pd/L) in 1 M HCl was forced to permeate through the pores of the Aliquat 336-impregnated porous sheet. The binding efficiency, defined as the ratio of number of moles of palladium adsorbed to half the number of moles of impregnated Aliquat 336, was found to be 64%.

Oral presentation

Activities of the chemical safety team of the MLF

Takahashi, Nobuaki; Takata, Shinichi; Sakaguchi, Masataka*; Kojima, Kenji*; Kogawa, Hiroyuki; Kobayashi, Makoto*; Akutsu, Kazuhiro*; Tanaka, Shiho*

no journal, , 

no abstracts in English

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