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A complexing material, thionalide (2-mercapto-N-2-naphthylacetamide) loaded on silica gel (thionalide/SG) was prepared by a modified previous method, and used for preconcentration of trace Sb in water samples. Antimony (III) was quantitatively retained on the loaded gel from solution of 2 mol dm^\u003c-3\u003e hydrochloric acid-pH 3.0 in batch experiments. The retention capacity of the loaded gel was 562 μg Sb (III) g^\u003c-1\u003e in 0.6 mol dm^\u003c-3\u003e hydrochloric acid. Antimony was quantitatively retained on the column filled with 1.0 g of the gel at a flow velocity of 2 cm min^\u003c-1\u003e. The Sb retained on the column was completely eluted with 15〜20 cm^3 of 6 mol dm^\u003c-3\u003e hydrochloric acid, and directly determined by hydride generation AAS using sodium tetrahydroborate as a reductant. 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チオナリド担持シリカゲルによる水中超微量のアンチモンの濃縮分離/水素化物発生原子吸光法(<特集>超微量分析のための前処理と予備濃縮)
http://hdl.handle.net/2297/24887
http://hdl.handle.net/2297/248870d1e7f19-9932-49dd-b706-ebdd686840cf
名前 / ファイル | ライセンス | アクション |
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IN-PR-MATSUMOTO-K-683.pdf (333.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | チオナリド担持シリカゲルによる水中超微量のアンチモンの濃縮分離/水素化物発生原子吸光法(<特集>超微量分析のための前処理と予備濃縮) | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Determination of trace amounts of antimony in water by hydride generation AAS after preconcentration with thionalide loaded silica gel.(<Special Articles>Pretreatment and Preconcentration for Trace Analysis) | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
福田, 裕幸
× 福田, 裕幸× 角田, 淳× 松本, 健× 寺田, 喜久雄 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学イノベーション創成センター | |||||
書誌情報 |
分析化学 = Japan analyst 巻 36, 号 11, p. 683-687, 発行日 1987-11-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0525-1931 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00222633 | |||||
出版者 | ||||||
出版者 | The Japan Society for Analytical Chemistry = 日本分析化学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 天然水中の超微量Sbの濃度を正確に定量するには,予備濃縮が必要である.チオナリドをシリカゲルに担持させた金属捕集剤(チオナリド/SG)を調製し,バッチ法及びカラム法により,Sb(III)の捕集条件を検討した.このものの捕集容量は562μg Sb(III) g^<-1>であり,Sb(III)は,2mol dm^<-3>塩酸又は硝酸酸性からpH3の範囲で定量的に捕集され,0.6mol dm^<-3>塩酸溶液からは,2cm min^<-1>の流量でカラムに捕集された.Sbは6mol dm^<-3>塩酸15〜20cm^3で完全に溶離され,この溶出液をそのまま直接に水素化物発生AASに供することによって,Sbを正確に定量することができた.0.5〜10μg Sb dm^<-3>の範囲で検量線は直線となり,水素化物発生/AASの検出限界濃度は0.4μg Sb dm^<-3>,相対標準偏差(n=5〜7)は1.4%であった. A complexing material, thionalide (2-mercapto-N-2-naphthylacetamide) loaded on silica gel (thionalide/SG) was prepared by a modified previous method, and used for preconcentration of trace Sb in water samples. Antimony (III) was quantitatively retained on the loaded gel from solution of 2 mol dm^<-3> hydrochloric acid-pH 3.0 in batch experiments. The retention capacity of the loaded gel was 562 μg Sb (III) g^<-1> in 0.6 mol dm^<-3> hydrochloric acid. Antimony was quantitatively retained on the column filled with 1.0 g of the gel at a flow velocity of 2 cm min^<-1>. The Sb retained on the column was completely eluted with 15〜20 cm^3 of 6 mol dm^<-3> hydrochloric acid, and directly determined by hydride generation AAS using sodium tetrahydroborate as a reductant. Antimony (V) was incompletely retained on the column, therefore, the species should be reduced to tervalent state by digesting the sample in 0.6 mol dm^<-3> hydrochloric acid containing potassium bromide prior to sample passage onto the column. The calibration graph was rectilinear over the range of 0.5〜10 ng cm^<-3>, the limit of detection (3σ) was 0.4 ng cm^<-3>, and the relative standard deviation for the samples containing 75 ng and 150ng of Sb in 500 cm^<-3> (n=5 and 7) was about 1.4% in both cases. Antimony contents of near-shore seawater and river water were determined by the present method. | |||||
権利 | ||||||
権利情報 | Copyright (c) 1987 日本分析化学会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsac.or.jp/index.html | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110002909499/en/ |