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Determination of 232Th in seawater by ICP-MS after preconcentration and separation using a chelating resin
https://repo.qst.go.jp/records/46255
https://repo.qst.go.jp/records/4625576e89dfd-7349-4810-b304-3f3d94f27c8a
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2012-01-23 | |||||
| タイトル | ||||||
| タイトル | Determination of 232Th in seawater by ICP-MS after preconcentration and separation using a chelating resin | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 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 | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Takata, Hyoe
× Takata, Hyoe× Zheng, Jian× Tagami, Keiko× Aono, Tatsuo× Uchida, Shigeo× 高田 兵衛× 鄭 建× 田上 恵子× 青野 辰雄× 内田 滋夫 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | This article describes an analytical method for the separation, preconcentration and determination of 232Th in seawater samples at sub ng/L levels using a NOBIAS CHELATE PA1 resin and a sector field (SF) inductively coupled plasma mass spectrometer (ICP-MS). The resin showed excellent adsorption of 232Th at a low pH of 2.4 in a relatively small volume (200 mL) of seawater. 232Th adsorbed on the resin was easily eluted using 5 mL of 0.8 M HNO3. An enrichment factor of 40 was achieved for 232Th analysis. Ethylenediamine-tetraacetic acid disodium salt dehydrate (EDTA) was used to investigate the effect of 232Th-binding organic ligand on the retention of 232Th on the chelating resin. Results obtained using acidified samples (pH of 2.4) showed EDTA had no significant effect on 232Th recovery, indicating that at this low pH, 232Th was dissociated from the 232Th-binding organic ligand and quantitatively retained on the NOBIAS CHELATE PA1 resin. The developed analytical method was characterized by a separation and preconcentration taking approximately 4 h and a low detection limit of 0.0038 ng/L for 232Th, and was successfully applied to the determination of 232Th in seawater samples collected from coastal areas, Japan. | |||||
| 書誌情報 |
Talanta 巻 85, 号 4, p. 1772-1777, 発行日 2011-09 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0039-9140 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1016/j.talanta.2011.07.003 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.journals.elsevier.com/talanta | |||||
| 関連名称 | http://www.journals.elsevier.com/talanta | |||||
