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The modified carbon powder was characterized using electrochemical and spectroscopic techniques. The existence of both copper(I) and copper(II) oxides have been established. The copper oxide modified carbon powder was used for preparation of composite electrodes, and the electrochemical and electrocatalytic behavior of the resulting composite electrodes was studied. The copper oxide modified carbon powder \u2013 epoxy composite electrodes showed a high electrocatalytic activity for the nitrite detection in aqueous media, with the detection limit comparable or lower than detection limits obtained with other electrochemical sensors.<\/jats:p>","DOI":"10.1002\/elan.200603708","type":"journal-article","created":{"date-parts":[[2007,1,9]],"date-time":"2007-01-09T06:49:56Z","timestamp":1168325396000},"page":"79-84","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":65,"title":["Copper Oxide \u2013 Graphite Composite Electrodes: Application to Nitrite Sensing"],"prefix":"10.1002","volume":"19","author":[{"given":"Biljana","family":"\u0160ljuki\u0107","sequence":"first","affiliation":[]},{"given":"Craig\u2005E.","family":"Banks","sequence":"additional","affiliation":[]},{"given":"Alison","family":"Crossley","sequence":"additional","affiliation":[]},{"given":"Richard\u2005G.","family":"Compton","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2007,1,9]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0925-4005(00)00536-0"},{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0956-5663(02)00183-5"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0927-7765(99)00148-4"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1039\/b601299j"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/elan.200603605"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.talanta.2004.07.019"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/ac00017a012"},{"key":"e_1_2_1_8_2","first-page":"3436","volume":"143","author":"Franklin T. 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