{"title":"Fe-Zr氧化物修饰碳电极电化学测定日落黄和酒黄石","authors":"","doi":"10.47014/15.3.3","DOIUrl":null,"url":null,"abstract":"An electrochemical probe, highly sensitive for the detection of two colorants; sunset yellow (SY) and tartrazine (TZ), was examined. The probe was fabricated by modifying carbon electrodes with an iron-zirconium binary transition metal oxide, Fe2Zr2O7. In the presence of the oxide, SY and TZ exhibit well resolved oxidation peaks at 0.80 and 1.0 V, respectively, in pH 2.00 buffer solution. The developed method exhibits linear response in the range 1.9×10–5– 2.7×10–4 M for both SY and TZ. The corresponding limits of detection were found to be 5.7×10–6 M for SY and 1.3×10–5 M for TZ.","PeriodicalId":14654,"journal":{"name":"Jordan Journal of Chemistry","volume":" ","pages":""},"PeriodicalIF":0.4000,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Electrochemical Determination of Sunset Yellow and Tartrazine at Carbon Electrodes Modified by Fe-Zr Oxide\",\"authors\":\"\",\"doi\":\"10.47014/15.3.3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An electrochemical probe, highly sensitive for the detection of two colorants; sunset yellow (SY) and tartrazine (TZ), was examined. The probe was fabricated by modifying carbon electrodes with an iron-zirconium binary transition metal oxide, Fe2Zr2O7. In the presence of the oxide, SY and TZ exhibit well resolved oxidation peaks at 0.80 and 1.0 V, respectively, in pH 2.00 buffer solution. The developed method exhibits linear response in the range 1.9×10–5– 2.7×10–4 M for both SY and TZ. The corresponding limits of detection were found to be 5.7×10–6 M for SY and 1.3×10–5 M for TZ.\",\"PeriodicalId\":14654,\"journal\":{\"name\":\"Jordan Journal of Chemistry\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":0.4000,\"publicationDate\":\"2020-12-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Jordan Journal of Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.47014/15.3.3\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Jordan Journal of Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.47014/15.3.3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 1
摘要
一种电化学探针，对两种着色剂的检测高度敏感;日落黄(SY)和酒黄石(TZ)。探针是用铁锆二元过渡金属氧化物Fe2Zr2O7修饰碳电极制成的。在pH为2.00的缓冲溶液中，SY和TZ分别在0.80和1.0 V处表现出良好的氧化峰。该方法对SY和TZ在1.9×10-5 - 2.7×10-4 M范围内均表现出线性响应。SY的检出限为5.7×10-6 M, TZ的检出限为1.3×10-5 M。
Electrochemical Determination of Sunset Yellow and Tartrazine at Carbon Electrodes Modified by Fe-Zr Oxide
An electrochemical probe, highly sensitive for the detection of two colorants; sunset yellow (SY) and tartrazine (TZ), was examined. The probe was fabricated by modifying carbon electrodes with an iron-zirconium binary transition metal oxide, Fe2Zr2O7. In the presence of the oxide, SY and TZ exhibit well resolved oxidation peaks at 0.80 and 1.0 V, respectively, in pH 2.00 buffer solution. The developed method exhibits linear response in the range 1.9×10–5– 2.7×10–4 M for both SY and TZ. The corresponding limits of detection were found to be 5.7×10–6 M for SY and 1.3×10–5 M for TZ.
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