{"created":"2022-01-27T07:34:32.558184+00:00","id":2003455,"links":{},"metadata":{"_buckets":{"deposit":"3a634c58-510e-433a-a7dc-905d592c39b3"},"_deposit":{"id":"2003455","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2003455"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02003455","sets":["1642837622505:1642837905044:1642837907759","1642838403551:1642838407312"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_1551255647225":"茶に関する研究(第 3 報) : レーベンタールタンニン定量法の検討(農芸化学科)","subitem_1551255648112":"ja"},{"subitem_1551255647225":"Studies on the tea (Part 3) : On the investigation of the Lowenthal method for determination of tea tannin. (Department of Agricultural Chemistry)","subitem_1551255648112":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"仲村, 実久","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"Nakamura, Sanehisa","creatorNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_1522299639480":"open access","subitem_1600958577026":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"(1)タンニンのレーベンタール法による定量で過マンガン酸カリ標準液の添加速度およびマグネチックスタラーによる攪拌速度が同標準液消費量におよぼす影きょうを統計的方法により検討した。(2)添加時間間隔は分散分析の結果5%水準で有意であった。添加容量および1mℓ添加法は有意の差はなかった。(3)添加時間間隔は5秒が最も良好と推定されたが, 10秒における攪拌速度を異にするデータを推定してマグネチックスタラーの速度をFastにすれば5秒のときと同程度の分散が得られたので, 添加容量5mℓ, 添加間隔10秒, 攪拌速度Fastの条件で定量を行う滴定法を提唱する。(4)上記方法で荒茶のタンニン含量を測定したら分析の精度は平均値に対して±7%程度のふれがあった。","subitem_description_type":"Other"},{"subitem_description":"(1) The effect of stirning rate and the quantity of the potassium permanganate standard solution being added on the amount of consumption of the standard solution in the Lowenthal method for determination of tea tannin was evaluated by statistical methods. (2) The analysis of variance for the intervals of titrant addition showedsignificantat a level of 5%. The quantities of the titrant being added at a time and a method of 1ml addition were notsignificant. (3) An addition interval of 5 sec. gave the least variance and the variances of similar grade with 5 sec. were achieved, according to the evaluation of the data of various mixing velocities at 10 sec., if the velocity of the magnetic stirrer was atFast. Therefore, the titration using an addition quantity of 5 ml at a time, an addition interval of 10 sec., and a mixing velocity ofFastwas recommended. (4) Tannin contents in the tea used in the present experiments were determined by the above mentioned method. And the precision of analysis was about ± 7%.","subitem_description_type":"Other"},{"subitem_description":"紀要論文","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_1522300295150":"ja","subitem_1522300316516":"琉球大学農学部"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_1551255818386":"jpn"}]},"item_1617186783814":{"attribute_name":"Identifier","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/20.500.12000/4487"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_1522646500366":"ISSN","subitem_1522646572813":"0370-4246"},{"subitem_1522646500366":"NCID","subitem_1522646572813":"AN00250548"}]},"item_1617186941041":{"attribute_name":"Source Title","attribute_value_mlt":[{"subitem_1522650068558":"ja","subitem_1522650091861":"琉球大学農学部学術報告"},{"subitem_1522650068558":"en","subitem_1522650091861":"The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1971-12-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicPageEnd":"72","bibliographicPageStart":"66"}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_1522305645492":"VoR","subitem_1600292170262":"http://purl.org/coar/version/c_970fb48d4fbd8a85"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","filename":"KJ00000162367.pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://u-ryukyu.repo.nii.ac.jp/record/2003455/files/KJ00000162367.pdf"},"version_id":"1d1e78dc-e386-414c-b702-e63e1e60a265"}]},"item_title":"茶に関する研究(第 3 報) : レーベンタールタンニン定量法の検討(農芸化学科)","item_type_id":"15","owner":"1","path":["1642837907759","1642838407312"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-02-14"},"publish_date":"2008-02-14","publish_status":"0","recid":"2003455","relation_version_is_last":true,"title":["茶に関する研究(第 3 報) : レーベンタールタンニン定量法の検討(農芸化学科)"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-10-31T01:22:30.509070+00:00"}