Výsledky vyhledávání - "Shigehisa Iwahori"

Extraction of Nickel(II) in Aqueous Thiocyanate—Perchlorate Solutions with Trioctylphosphine Oxide in Hexane and with 4-Methyl-2-pentanone

Autor: Ryokichi Murai, Shigehisa Iwahori, Tatsuya Sekine

Publikováno v: Bulletin of the Chemical Society of Japan. 50:1315-1318

The liquid-liquid partition of nickel(II) between hexane containing trioctylphosphine oxide or 4-methyl-2-pentanone and 1 mol dm−3 Na(SCN, ClO4) solutions at 25 °C was measured. The absorption spectra of the organic and aqueous phases at equilibri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0be9461b140f8ba70463636ea0b3c8e0
https://doi.org/10.1246/bcsj.50.1315

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Solvent extraction of cadmium(II) from thiocyanate solutions with methylisobutylketone and trioctylphosphine oxide in hexane

Autor: Shigehisa Iwahori, Tatsuya Sekine, Ryokichi Murai

Publikováno v: BUNSEKI KAGAKU. 31:E413-E420

Solvent extractions of cadmium(II) in aqueous sodium thiocyanate solution and 1 mol dm-3 Na(SCN, C104) constant ionic media have been studied at 298 K. The extraction with methylisobutylketone(4-methy1-2-pentanone) was poor but that with trioctylphos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2652553061c66562b13278d74b86dfe5
https://doi.org/10.2116/bunsekikagaku.31.12_e413

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Solvent extraction equilibria of bis-Hg(II) benzoylacetonate and benzoyltrifluoroacetonate complexes and their adducts with trioctylphosphine oxide

Autor: Shigehisa Iwahori, Tatsuya Sekine, Ryokichi Murai

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 43:571-574

The solvent extraction equilibria of Hg(II) in 1 mol dm−3 (Na, H)ClO4 with benzoylacetone and benzoyltrifluoroacetone in carbon tetrachloride containing trioctylphosphine oxide (TOPO) have been measured at 25°C. The stability constants of the comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5604b32f63bbe9783d690e4d20e0731f
https://doi.org/10.1016/0022-1902(81)80504-0

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SOLVENT EXTRACTION OF ZINC(II) ANIONIC g-DIKETONATE COMPLEXES AS ION-PAIRS WITH TETRABUTYLAMMONIUM IONS

Autor: Shigehisa Iwahori, Masahiro Hieda, Haruo Ishizaki, Tatsuya Sekine, Ryokichi Murai

Publikováno v: Solvent Extraction and Ion Exchange. 5:103-115

Solvent extraction equilibria of zinc(II)with five 6-diketones(HA)in carbon tetrachloride-aqueous 1 mol dm−3NaN03systems are studied in the absence and presence of tetrabutylammonium ions(tba+The distribution data of zinc(II)in the absence of tba+

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46defcad239698ce21619346765c0bd2
https://doi.org/10.1080/07366298708918556

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Solvent extraction of nickel(II)—I. Formation and extraction equilibria of several nickel(II) β-diketonates and their trioctylphosphine oxide adducts

Autor: Ryokichi Murai, Tatsuya Sekine, Shigehisa Iwahori

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 39:363-365

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08ecf256829206290ee04fb6124a3ce3
https://doi.org/10.1016/0022-1902(77)80034-1

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Equilibria of cadmium(II) halogeno complexes in solvent extraction systems of trioctylphosphine oxide/hexane vs. 1M Na(X, ClO4)

Autor: Ryokichi Murai, Shigehisa Iwahori, Rieko Miura

Publikováno v: BUNSEKI KAGAKU. 34:727-729

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01be0ec18e1fdc55d758ebf69dcc30d1
https://doi.org/10.2116/bunsekikagaku.34.11_727

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Formation and extraction equilibria of several cadmium(II) β-diketonates and their trioctylphosphine oxide adducts

Autor: Tatsuya Sekine, Shigehisa Iwahori, Ryokichi Murai, Siv Johnsson

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 39:1092-1094

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c5b63464742ee8e8658366ac1b6749c
https://doi.org/10.1016/0022-1902(77)80276-5

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The Formation and Extraction Equilibria of Several Manganese(II) β-Diketonates and Their Trioctyl-Phosphine Oxide Adducts

Autor: Tatsuya Sekine, Shigehisa Iwahori, Ryokichi Murai, Kazuhiko Takahashi

Publikováno v: Bulletin of the Chemical Society of Japan. 50:3415-3416

From the distribution ratio of manganese(II) between carbon tetrachloride containing various amounts of β-diketone (HA) and trioctylphosphine oxide (TOPO), and an aqueous 1 mol dm−3 perchlorate solution at 25 °C, the formation constants for the a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa9b86238ab16b58512b5dc4fc508b90
https://doi.org/10.1246/bcsj.50.3415

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