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  1. 911 (旧)教養部
  2. 9112 信州大学教養部紀要 第二部, 自然科学
  3. Vol. 04

フルオロホウ酸塩中和滴定法によるカリウムの定量

http://hdl.handle.net/10091/4305
http://hdl.handle.net/10091/4305
9bdad725-682d-49b5-bc37-8d1694387aac
名前 / ファイル ライセンス アクション
Liberal_arts_S04-02.pdf Liberal_arts_S04-02.pdf (407.4 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-02-12
タイトル
言語 ja
タイトル フルオロホウ酸塩中和滴定法によるカリウムの定量
タイトル
言語 en
タイトル Determination of potassium by the acidimetric titration of its tetrafluoroborate
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 原, 信

× 原, 信

WEKO 49516

原, 信

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出版者
出版者 信州大学教養部
引用
内容記述タイプ Other
内容記述 信州大学教養部紀要. 第二部, 自然科学 4: 17-25(1970)
書誌情報 信州大学教養部紀要. 第二部, 自然科学

巻 4, p. 17-25, 発行日 1970-02-28
抄録
内容記述タイプ Abstract
内容記述 A rapid method for the determination of potassium, which involves the precipitation of potassium as tetrafluoroborate and the subsequent titration of liberated acid by the decomposition of it, is presented in the present study. Below 5℃, potassium is quantitatively precipitated in the solution containing anyone of the the tert-butyl alcohol, iso-propyl alcohoL or ethyl alcohol in the concentration of 70%, and 0.2N hydrochloric acid, when the tetrafluoroboric acid is added to the concentration of about 5%, In this case the tetrafluoroboric acid must contain a small excess of the free hydrofluoric acid, This precipitate is filtered and may be decomposed and titrated easily by the process established befor. When the tert-butyl alcohol is used, sodium does not interfere even if its quantity is equal to potassium.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0583-0613
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN0012116X
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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