{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282679367481984.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1246/nikkashi.1985.849"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/nikkashi1972/1985/5/1985_5_849/_pdf"}},{"identifier":{"@type":"NAID","@value":"130004158134"}}],"dc:title":[{"@language":"en","@value":"Reduction of Hexacyanoferrate(III) Ion with Sulfite Ion in the Presence of Zinc lont"},{"@language":"ja","@value":"亜鉛塩存在下での亜硫酸イオンによるヘキサシアノ鉄(III)酸化オンの還元"},{"@value":"Reduction of hexacyanoferrate(III) ion with sulfite ion in the presence of zinc ion."}],"description":[{"type":"abstract","notation":[{"@language":"en","@value":"In order to remove [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP> and [Fe(CN)<SUB>6</SUB>]<SUP>4-</SUP> from waste water, the reduction of [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP> with sulfite ion has been investigated in the presence of zinc ion which finall y precipitate the iron cyanide complexes as zinc hexacyanoferrate(II).<BR>The reduction of [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP> was acceleraterl in the presence of zinc ion and the reaction rate was found to be the highest in the vicinity of neutrality. In this reaction, the coexistence of relatively large amounts of alkali metal or alkaline earth metal salts led to a retardation in the reaction rate in the presence of zinc ion. The remarkable effect of zinc ion can be explained by the transfer of electron between sulfite ion and [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP> in a transition state such as [SO<SUB>3</SUB>-Zn-Fe<SUP>III</SUP><SUB>6</SUB>]<SUP>3-</SUP> bridged by zinc ion and the resultant formation of⋅SO<SUB>3</SUB><SUP>-</SUP> radical. In the atmosphere, a pronounced autoxidation of sulfite ion took place simultaneously with the reduction of [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP>. This phenomenon was considered to support the formation of ⋅SO<SUB>3</SUB><SUP>-</SUP> radical as an intermediate in the reduction of [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP>.<BR>For the reduction of [Fe(CN)<SUB>6</SUB>]<SUP>3-</SUP> in the atmosphere, a combined use of sulfite and thiosulfate ions was recommended which brought about a great synergistic effect."},{"@language":"ja","@value":"排水中のヘキサシアノ鉄酸錯イオン(ヘキサシアノ鉄(III)酸イオンおよびヘキサシアノ鉄(II)酸イオン)をヘキサシアノ鉄(II)酸亜鉛として効率よく沈殿除去することを目的として,亜鉛イオン存在下での亜硫酸イオンによるヘキサシアノ鉄(III)酸イオンの還元反応について検討した。<BR>ヘキサシアノ鉄(III)酸イオンの還元速度は亜鉛イオン存在下でいちじるしく増大し,中性付近で最大を示した。また,亜鉛イオン存在下での本反応は,アル力リ金属塩やアルカリ土類金属塩共存下では抑制されることが認められた。亜鉛イオンによる顕著な効果は亜硫酸イオンからヘキサシアノ鉄(III)酸イオンへの電子移動が遷移状態[SO<SUB>3</SUB>-Zn-Fe<SUP>III</SUP><SUB>6</SUB>]<SUP>3-</SUP>において起こり,中間体として亜硫酸イオンラジカルが生成することに起因するものと推定された。<BR>大気中での反応の場合には亜硫酸イオンの自動酸化がいちじるしく進み,多量の亜硫酸イオンがむだに消費されたが,これはヘキサシアノ鉄(III)酸イオンの還元時に生成する前記の亜硫酸イオンラジ力ルがそれを促進するためであると考えられた。その改善のため,還元剤としてチオ硫酸イオンを亜硫酸イオンと併用すると顕著な相乗効果が認められ,大気中で効率よくヘキサシアノ鉄(III)酸イオンを還元処理することができた。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410569845476629760","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256044612"}],"foaf:name":[{"@language":"en","@value":"TANIHARA Koichi"},{"@language":"ja","@value":"谷原 紘一"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"工業技術院九州工業技術試験所"},{"@language":"en","@value":"Government Industrial Research Institute, Kyushu"}]},{"@id":"https://cir.nii.ac.jp/crid/1410569845476629762","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256044613"}],"foaf:name":[{"@language":"en","@value":"NISHIKUBO Keiko"},{"@language":"ja","@value":"西久保 桂子"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"工業技術院九州工業技術試験所"},{"@language":"en","@value":"Government Industrial Research Institute, Kyushu"}]},{"@id":"https://cir.nii.ac.jp/crid/1410569845476629761","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000256044614"}],"foaf:name":[{"@language":"en","@value":"YASUDA Seiji"},{"@language":"ja","@value":"安田 誠二"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"工業技術院九州工業技術試験所"},{"@language":"en","@value":"Government Industrial Research Institute, Kyushu"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03694577"},{"@type":"EISSN","@value":"21850925"}],"prism:publicationName":[{"@language":"en","@value":"NIPPON KAGAKU KAISHI"},{"@language":"ja","@value":"日本化学会誌（化学と工業化学）"},{"@language":"en","@value":"Nippon Kagaku Kaishi"},{"@language":"ja","@value":"日化"},{"@language":"en","@value":"NIPPON KAGAKU KAISHI"},{"@language":"ja","@value":"日本化学会誌"}],"dc:publisher":[{"@language":"en","@value":"The Chemical Society of Japan"},{"@language":"ja","@value":"公益社団法人 日本化学会"}],"prism:publicationDate":"1985-05-10","prism:volume":"1985","prism:number":"5","prism:startingPage":"849","prism:endingPage":"857"},"reviewed":"false","url":[{"@id":"https://www.jstage.jst.go.jp/article/nikkashi1972/1985/5/1985_5_849/_pdf"}],"availableAt":"1985-05-10","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=General%20Chemistry","dc:title":"General Chemistry"}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:0020562290"},{"@type":"CROSSREF","@value":"10.1246/nikkashi.1985.849"},{"@type":"CIA","@value":"130004158134"}]}