書誌事項
- タイトル別名
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- Experiments on the simultaneous partitioning of divalent metal ions between spinel group minerals (spinel and magnetite) and 2M aqueous chloride solutions under supercritical conditions
- チョウリンカイ ジョウケン カ ニ オケル スピネルゾク コウブツ スピネル ジテッコウ ト 2M エンカブツ スイヨウエキ カン ニ オケル 2カ キンゾク イオン ノ ドウジ ブンパイ ジッケン
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抄録
The partitioning of Mg2+, Mn2+, Fe2+, Co2+, Ni2+ and Zn2+ between spinel group minerals (spinel and magnetite) and 2M aqueous chloride solutions was experimentally investigated in the temperature range of 500 to 800°C, 1 kb. The experimental results were analyzed thermodynamically taking into consideration the aqueous speciation.<BR>The partition coefficient - ionic radius (PC-IR) diagrams are drawn based on the experimental results. PC-IR curve for magnetite is parabola-shaped with a maximum between Co2+ and Fe2+, whereas Ni2+ and Zn2+ deviate from such a trend. The anomaly of Zn2+ and Ni2+ may be attributable to their tetrahedral and octahedral site preferency, respectively. The PC-IR curve becomes gentle with increasing temperature. This means that the element partitioning becomes weak with increasing temperature. On the other hand, PC-IR curve for spinel shows a maximum between Ni2+ and Mg2+, but Zn2+ shows no anomaly unlike the case of magnetite. This is because the element partitioning occurs in the tetrahedral site in the case of spinel.
収録刊行物
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- 岩石鉱物科学
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岩石鉱物科学 33 (1), 1-11, 2004
一般社団法人 日本鉱物科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206526278016
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- NII論文ID
- 10012344674
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- NII書誌ID
- AA1146088X
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- DOI
- 10.2465/gkk.33.1
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- COI
- 1:CAS:528:DC%2BD2cXktFOnt7g%3D
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- ISSN
- 13497979
- 1345630X
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- NDL書誌ID
- 6923164
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
