{"title":"镅的化学性质:3。某些氟化物和磷酸盐对Am(III)、Am(V)和Am(VI)的共沉淀(化学)","authors":"M. Hara, Shin Suzuki","doi":"10.1246/BCSJ.48.1431","DOIUrl":null,"url":null,"abstract":"The radiochemical behavior of americium in the coprecipitation process involving a precipitate such as lanthanum, thorium, and ceric fluorides, zirconium, and bismuth phosphates was investigated at the tracer concentrations of americium. All the precipitates except zirconium phosphate completely carried the Am(III), leaving the Am(VI) in the supernatant. The lanthanum and thorium fluorides carried portions of the Am(V) in proportion to the amounts of the metal ion of the carrier added under any given conditions. Then, the analytical conditions were established for determining the distributions of the oxidation states of americium.","PeriodicalId":21586,"journal":{"name":"Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy","volume":"7 1","pages":"365"},"PeriodicalIF":0.0000,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"The Chemistry of Americium : III. The Coprecipitation of Am(III), Am(V), and Am(VI) by Some Fluorides and Phosphates(Chemistry)\",\"authors\":\"M. Hara, Shin Suzuki\",\"doi\":\"10.1246/BCSJ.48.1431\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The radiochemical behavior of americium in the coprecipitation process involving a precipitate such as lanthanum, thorium, and ceric fluorides, zirconium, and bismuth phosphates was investigated at the tracer concentrations of americium. All the precipitates except zirconium phosphate completely carried the Am(III), leaving the Am(VI) in the supernatant. The lanthanum and thorium fluorides carried portions of the Am(V) in proportion to the amounts of the metal ion of the carrier added under any given conditions. Then, the analytical conditions were established for determining the distributions of the oxidation states of americium.\",\"PeriodicalId\":21586,\"journal\":{\"name\":\"Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy\",\"volume\":\"7 1\",\"pages\":\"365\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1975-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1246/BCSJ.48.1431\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1246/BCSJ.48.1431","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Chemistry of Americium : III. The Coprecipitation of Am(III), Am(V), and Am(VI) by Some Fluorides and Phosphates(Chemistry)
The radiochemical behavior of americium in the coprecipitation process involving a precipitate such as lanthanum, thorium, and ceric fluorides, zirconium, and bismuth phosphates was investigated at the tracer concentrations of americium. All the precipitates except zirconium phosphate completely carried the Am(III), leaving the Am(VI) in the supernatant. The lanthanum and thorium fluorides carried portions of the Am(V) in proportion to the amounts of the metal ion of the carrier added under any given conditions. Then, the analytical conditions were established for determining the distributions of the oxidation states of americium.
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