書誌事項
- タイトル別名
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- シアンイオンと銅イオンとの特殊な共存関係について
- シアンイオン ト ドウ イオン ト ノ トクシュ ナ キョウソン カンケイ ニ ツイテ
- A Presumption of a Conjugative Relation of Cu++ and CN- (The Hindrance of Cu++ on expelling CN- in an Acidy Solution, and the Demasking Effect of Dioxane on Cu(CN)4--- in an Alkaline Solution)
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抄録
On adding mineral acid to KCN solution, HCN is produced and completely expelled by warming or babbling the solution with air. Thus, CN- is able to quantitatively absorbed in AgNO3 solution. When Cu++ exists with them, HCN is incompletely expelled, must be left in the solution as NH4+, and AgNO3 solution absorbs less HCN. Cu++ only is followed such an effect, and each Fe++, Fe+++, Ni++, Zn++ is followed scarcely or not. Oxidants, such as CrO4--, also give no effects on the solution. When [H+] of the solution 0.1~5 N, and [Cu++] 0~0.1 eq., CN- remains proportionally to [Cu++], and Cu++:CN- is about 1:1. Though CN- masks Cu++ as Cu(CN)4--- in an ammoniacal solution, a certain volumes addition of dioxane makes Cu(CN)4--- into Cu++ on demasking. Thus Cu++, as Cu(CN)4---, can be almost titrated in an ammoniacal solution by adding dioxane. The above facts suggest a particular relation or construction between Cu+, Cu++ and CN- in a solution.
収録刊行物
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- 奈良学芸大学紀要. 自然科学
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奈良学芸大学紀要. 自然科学 12 9-14, 1964-02-29
奈良学芸大学
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詳細情報 詳細情報について
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- CRID
- 1050282812537976576
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- NII論文ID
- 120002139392
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- NII書誌ID
- AN00181015
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- ISSN
- 03693937
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- NDL書誌ID
- 9139236
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
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