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In this method, phosphoric acid is added to the seawater sample, and DIC is extracted with ultrasonic bath. After this operation, the extracted gases are purified to CO2 gas using n-pentane slush (-130\u2103) and liquid nitrogen trap(-196\u2103). The yield of CO2 gas extracted from seawater is more than 99%.", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u7dcf\u5408\u7814\u7a76\u30bb\u30f3\u30bf\u30fc\u30b7\u30f3\u30dd\u30b8\u30a6\u30e0\u5831\u544a", "subitem_description_type": "Other"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/sumrua.24.145", "subitem_identifier_reg_type": "JaLC"}]}, "item_9_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u8cc7\u6599\u7814\u7a76\u30bb\u30f3\u30bf\u30fc"}]}, "item_9_select_15": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "\u576a\u4e95, \u8fb0\u54c9"}], "nameIdentifiers": [{"nameIdentifier": "83727", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u548c\u7530, \u79c0\u6a39"}], "nameIdentifiers": [{"nameIdentifier": "83728", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u571f\u5c4b, \u7406\u6075"}], "nameIdentifiers": [{"nameIdentifier": "83729", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tsuboi, Tatsuya"}], "nameIdentifiers": [{"nameIdentifier": "83730", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Wada, Hideki"}], "nameIdentifiers": [{"nameIdentifier": "83731", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tsuchiya, Rie"}], "nameIdentifiers": [{"nameIdentifier": "83732", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2018-02-21"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "sumrua_24_145.pdf", "filesize": [{"value": "3.3 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 3300000.0, "url": {"label": "sumrua_24_145.pdf", "url": "https://nagoya.repo.nii.ac.jp/record/18143/files/sumrua_24_145.pdf"}, "version_id": "a1add358-9a84-4a9e-80f3-99f2806a861e"}]}, "item_keyword": {"attribute_name": "\u30ad\u30fc\u30ef\u30fc\u30c9", "attribute_value_mlt": [{"subitem_subject": "DIC", "subitem_subject_scheme": "Other"}, {"subitem_subject": "vacuum extraction", "subitem_subject_scheme": "Other"}, {"subitem_subject": "carbon isotope", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "\u6d77\u6c34\u4e2d\u6eb6\u5b58\u7121\u6a5f\u70ad\u7d20\u306e\u771f\u7a7a\u62bd\u51fa\u6cd5", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "\u6d77\u6c34\u4e2d\u6eb6\u5b58\u7121\u6a5f\u70ad\u7d20\u306e\u771f\u7a7a\u62bd\u51fa\u6cd5"}]}, "item_type_id": "9", "owner": "1", "path": ["879/1183/1184/1612"], "permalink_uri": "https://doi.org/10.18999/sumrua.24.145", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_name_i18n": "\u516c\u958b\u65e5", "attribute_value": "2014-06-09"}, "publish_date": "2014-06-09", "publish_status": "0", "recid": "18143", "relation": {}, "relation_version_is_last": true, "title": ["\u6d77\u6c34\u4e2d\u6eb6\u5b58\u7121\u6a5f\u70ad\u7d20\u306e\u771f\u7a7a\u62bd\u51fa\u6cd5"], "weko_shared_id": null}