{"_buckets": {"deposit": "6c62d4e5-9728-451d-aaf7-53c90f33c2b1"}, "_deposit": {"created_by": 3, "id": "4198", "owners": [3], "pid": {"revision_id": 0, "type": "depid", "value": "4198"}, "status": "published"}, "_oai": {"id": "oai:barrel.repo.nii.ac.jp:00004198", "sets": []}, "author_link": ["9065", "9064", "9063", "9062"], "item_1_biblio_info_5": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1974", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "10", "bibliographicPageEnd": "1160", "bibliographicPageStart": "1157", "bibliographicVolumeNumber": "23", "bibliographic_titles": [{"bibliographic_title": "分析化学"}]}]}, "item_1_description_18": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "バナジウム(IV)は,塩素酸イオンによるヨウ化物イオンのヨウ素への,酸性溶液中での酸化反応を触媒する.その反応速度式を積分すると,log[I\u003cSUP\u003e-\u003c/SUP\u003e]は時間\u003cI\u003et\u003c/I\u003eとともに直線的に変化するので,電位変化速度を知ることにより,触媒バナジウム(IV)の定量が可能である.検量線を作成するにあたって,ヨウ化カリウム,硫酸および塩素酸カリウムの最適濃度の決定には, 実験計画法を適用した.本法によれば,0.55〜2.8μ\u003cI\u003eM\u003c/I\u003e のバナジウム(IV)の定量が可能であり,比色法とほぼ同じ感度を示した.また,妨害イオンについても検討を行なった. The oxidation of iodide ion to iodine by chlorate ion takes place in an acidic environment according to\u003cBR\u003eClO\u003cSUB\u003e3\u003c/SUB\u003e\u003cSUP\u003e-\u003c/SUP\u003e+6I\u003cSUP\u003e-\u003c/SUP\u003e+6H\u003cSUP\u003e+\u003c/SUP\u003e=Cl\u003cSUP\u003e-\u003c/SUP\u003e+3I\u003cSUB\u003e2\u003c/SUB\u003e+3H\u003cSUB\u003e2\u003c/SUB\u003eO\u003cBR\u003eand is catalysed by V(IV). The reaction rate is determined by measuring the iodide ion concentration, which can easily be determined by the potential of iodide-selective electrode. Integration of the kinetic eqn. yields log[I\u003cSUP\u003e-\u003c/SUP\u003e]=-\u003cI\u003eK\u003c/I\u003e·\u003cI\u003eC\u003c/I\u003e\u003cSUB\u003ek\u003c/SUB\u003e[ClO\u003cSUB\u003e3\u003c/SUB\u003e\u003cSUP\u003e-\u003c/SUP\u003e][H\u003cSUP\u003e+\u003c/SUP\u003e]2\u003cI\u003et\u003c/I\u003e+log[I\u003cSUP\u003e-\u003c/SUP\u003e]\u003cBR\u003ewhere \u003cI\u003eK\u003c/I\u003e is the rate constant, \u003cI\u003eC\u003c/I\u003e\u003cSUB\u003ek\u003c/SUB\u003e the concentration of V(IV), \u003cI\u003et\u003c/I\u003e time, and [I\u003cSUP\u003e-\u003c/SUP\u003e] the initial concentration. The potential change of the iodide-selective electrode is recorded, from which the time required for the potential change of 40 mV is estimated at the linear part of potential-time curve. The rate is proportional to the concentration of catalyst and so it is possible to determine a small amount of V(IV).\u003cBR\u003eThe most suitable concentrations of KI, H\u003cSUB\u003e2\u003c/SUB\u003eSO\u003cSUB\u003e4\u003c/SUB\u003e and KClO\u003cSUB\u003e3\u003c/SUB\u003e were decided by the method of experimental design of three-sided classification. The variance ratio concerning the concentration of KI, as well as KClO\u003cSUB\u003e3\u003c/SUB\u003e, is very high, \u003cI\u003ei.e\u003c/I\u003e. the rate of reaction depends significantly on these concentrations. It is not found, however, that there is a strong interaction between the KI, the H\u003cSUB\u003e2\u003c/SUB\u003eSO\u003cSUB\u003e4\u003c/SUB\u003e and the KClO\u003cSUB\u003e3\u003c/SUB\u003e concentration. The most suitable concentrations of KI, H\u003cSUB\u003e2\u003c/SUB\u003eSO\u003cSUB\u003e4\u003c/SUB\u003e and KClO\u003cSUB\u003e3\u003c/SUB\u003e are 2 μ\u003cI\u003eM\u003c/I\u003e, 1 m\u003cI\u003eM\u003c/I\u003e and 0.3 \u003cI\u003eM\u003c/I\u003e, respectively. A calibration curve with a good linearity was obtained and by this method it is possible to determine V(IV) in the concentration range from 0.55 to 2.8 μ mol dm\u003cSUP\u003e-3\u003c/SUP\u003e in the reaction solution. This sensitivity is almost the same as that of spectrophotometric method developed by Yatsimirskii. Fe(III) shows a strong interference.", "subitem_description_type": "Abstract"}]}, "item_1_full_name_3": {"attribute_name": "著者別名", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "9064", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Kataoka, Masamitsu"}]}, {"nameIdentifiers": [{"nameIdentifier": "9065", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Kambara, Tomihito"}]}]}, "item_1_publisher_6": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "日本分析化学会"}]}, "item_1_source_id_11": {"attribute_name": "書誌ID（NCID）", "attribute_value_mlt": [{"subitem_source_identifier": "AN00222633", "subitem_source_identifier_type": "NCID"}]}, "item_1_subject_16": {"attribute_name": "日本十進分類法", "attribute_value_mlt": [{"subitem_subject": "433", "subitem_subject_scheme": "NDC"}]}, "item_1_subject_17": {"attribute_name": "NIIサブジェクト", "attribute_value_mlt": [{"subitem_subject": "化学", "subitem_subject_scheme": "Other"}]}, "item_1_version_type_15": {"attribute_name": "テキストバージョン", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "片岡, 正光"}], "nameIdentifiers": [{"nameIdentifier": "9062", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "神原, 冨民"}], "nameIdentifiers": [{"nameIdentifier": "9063", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2016-01-26"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "分析化学23(10)_1157-1160.pdf", "filesize": [{"value": "269.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 269800.0, "url": {"label": "分析化学23(10)_1157-1160.pdf", "url": "https://barrel.repo.nii.ac.jp/record/4198/files/分析化学23(10)_1157-1160.pdf"}, "version_id": "01d83185-e816-441a-9a4e-aa189021585a"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "ヨウ化物イオン電極によるバナジウム(IV)の接触分析", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "ヨウ化物イオン電極によるバナジウム(IV)の接触分析"}, {"subitem_title": "Catalytic analysis of vanadium(IV) by means of an iodide-selective electrode", "subitem_title_language": "en"}]}, "item_type_id": "1", "owner": "3", "path": ["4"], "permalink_uri": "http://hdl.handle.net/10252/4798", "pubdate": {"attribute_name": "公開日", "attribute_value": "2012-03-30"}, "publish_date": "2012-03-30", "publish_status": "0", "recid": "4198", "relation": {}, "relation_version_is_last": true, "title": ["ヨウ化物イオン電極によるバナジウム(IV)の接触分析"], "weko_shared_id": 3}