{"@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/1390282679394829440.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1246/nikkashi.1979.619"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/nikkashi1972/1979/5/1979_5_619/_pdf"}},{"identifier":{"@type":"NAID","@value":"130004059996"}}],"dc:title":[{"@language":"en","@value":"Formation of Chromium(III) Dithizonate Complex and Its Ion-pair Solvent Extraction"},{"@language":"ja","@value":"クロム(III)-ジチゾン錯体の生成反応とそのイオン対溶媒抽出"},{"@value":"クロム（ＩＩＩ）‐ジチゾン錯体の生成反応とそのイオン対溶媒抽出"}],"description":[{"type":"abstract","notation":[{"@language":"en","@value":"Reactions of Cr (III) with dithizone (H<SUB>2</SUB>dz) in acetone and of Cr (VI) with diphenylthiocarbazide in 10% (v/v) acetone-water mixture were investigated. The complex formed by these reactions is the 1: 1 cationic complex of Cr (III) with dithizone, [Cr (Hdz)]<SUP>2+</SUP>, which has an absorption maximum at 525 nm (molar absorptivity, ε = 2.95 x 10<SUP>4</SUP> dm<SUP>3</SUP>. mol<SUP>-1</SUP>. cm<SUP>-1</SUP>) in acetone and at 530 nm (ε = 2.85 x 10<SUP>4</SUP> dm<SUP>3</SUP>. mol<SUP>-1</SUP>. cm<SUP>-1</SUP>) in water. The complex reacted with dodecyl sulfate ion (ds<SUP>-</SUP>) to form an ion-pair of [Cr (Hdz)] (ds) <SUB>2</SUB>, which was extracted into butyl acetate and isobutyl metyl ketone. But, it was not extracted into chloroform and benzene. The extracted ion-pair has an absorption maximum at 530 nm (ε = 2.85 x 10<SUP>4</SUP> dm<SUP>3</SUP>. mol<SUP>-1</SUP>. cm<SUP>-1</SUP>) in butyl acetate. The partition coefficient, P= { [Cr (Hdz)] (ds) <SUB>2</SUB>} (o)/{ [Cr (Hdz)] (ds) <SUB>2</SUB> }, was determined as 10<SUP>0.54</SUP> between water phase and butyl acetate phase."},{"@language":"ja","@value":"アセトン中でのジチゾン(H<SUB>2</SUB>dz)とクロム(III)との反応および10%アセトン-水混合溶液中でのジフェニルチオカルバジドとクロム(VI)との反応を検討し,両反応により生成する錯体がいずれの場合ともクロム(III)とジチゾンの錯体,Cr(Hdz)<SUP>2+</SUP>であることを明らかにした。この錯体は,アセトン中で525nm(モル吸光係数ε=2.95×10<SUP>4</SUP>dm<SUP>3</SUP>・mo1<SUP>-1</SUP>・cm<SUP>-1</SUP>)および水溶液中で530nm(ε=2.85×10<SUP>4</SUP>)に吸収極大を示した。<BR>さらに,この水溶性陽イオン錯体は,硫酸ドデシルイオン(ds<SUP>-</SUP>)と1:2イオン対(Cr(Hdz)(ds)<SUB>2</SUB>)を生成し,酢酸ブチルのような配位性溶媒に抽出された。このイオン対抽出平衡を解析し,錯体の酢酸ブチルに対する分配定数を10<SUP>0-54</SUP>と決定した。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410851320453719937","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000255706011"}],"foaf:name":[{"@language":"en","@value":"HOSHI Suwaru"},{"@language":"ja","@value":"星 座"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"北海道大学工学部工業分析化学第二講座"},{"@language":"en","@value":"Laboratory of Analytical Chemistry, Faculty of Engineering, Hokkaido University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410851320453720064","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000255706012"}],"foaf:name":[{"@language":"en","@value":"YOTSUYANAGI Takao"},{"@language":"ja","@value":"四ツ柳 隆夫"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"東北大学工学部応用化学科"},{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, Tohoku University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410851320453719936","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000255706013"}],"foaf:name":[{"@language":"en","@value":"AOMURA Kazuo"},{"@language":"ja","@value":"青村 和夫"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"北海道大学工学部工業分析化学第二講座"},{"@language":"en","@value":"Laboratory of Analytical Chemistry, Faculty of Engineering, Hokkaido University"}]}],"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":"1979-05-10","prism:volume":"1979","prism:number":"5","prism:startingPage":"619","prism:endingPage":"623"},"reviewed":"false","url":[{"@id":"https://www.jstage.jst.go.jp/article/nikkashi1972/1979/5/1979_5_619/_pdf"}],"availableAt":"1979-05-10","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=General%20Chemistry","dc:title":"General Chemistry"}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:0030934694"},{"@type":"CROSSREF","@value":"10.1246/nikkashi.1979.619"},{"@type":"CIA","@value":"130004059996"}]}