Electrocatalytic effect of NiO supported onto activated carbon in oxidizing phenol at graphite electrode : application in tap water and olive oil samples
المؤلفون المشاركون
Farahi, A.
al-Muhammadi, M. A.
Hammani, H.
Boumya, W.
Laghrib, F.
Lahrich, S.
Abu al-Qas, A.
المصدر
Arab Journal of Basic and Applied Sciences
العدد
المجلد 24، العدد 0 (31 أكتوبر/تشرين الأول 2017)، ص ص. 26-33، 8ص.
الناشر
تاريخ النشر
2017-10-31
دولة النشر
البحرين
عدد الصفحات
8
التخصصات الرئيسية
العلوم الطبيعية والحياتية (متداخلة التخصصات)
الملخص EN
The activated carbon doped by nickel oxide (NiO/AC) was prepared using solid reaction.
The obtained powder was characterized using X-ray diffraction (XRD) and infrared spectroscopy (IR).
The NiO/AC was also used to catalyze the electro-oxidation of phenol at carbon paste electrode (CPE) using electrochemical approaches.
Kinetic parameters of phenol oxidation (as the electron transfer coefficient, diffusion coefficient and heterogeneous rate constant) were investigated.
The results confirmthat phenol oxidation is catalyzed by nickel oxide, due to resonance, steric and aggregation effects.
The experimental conditions were optimized by varying chemical and electrochemical parameters, which involve the oxidation of phenol.
The electrode NiO/AC–CPE exhibits a good linear range from 1.0 10 6 mol L 1 to 8.0 10 5 mol L 1 and 1.0 10 4 mol L 1 to 1.0 10 3 mol L 1 with a limit of detection of 7.09 10–7 mol L–1 (signal (S) to noise (N) ratio, S/N=3).
This modified electrode NiO/AC-CPE offers a considerable improvement in voltammetric sensitivity toward phenol determination, compared to the unmodified electrode (CPE).
The selectivity of the NiO/AC–CPE in detecting phenol was investigated for a number of ions (Cu2+, Cd+2, Ag+, Pb2+, Zn2+, Fe3+, Ni2+, Al3+, Mg2+, Ag2+ and Cr3+) and biomolecules (4-nitrophenol, dopamine, 2-nitrophenol, paracetamol, hydroquinone, catechol, resorcinol, 4-aminophenol and 3-aminophenol).
The proposed method was successfully applied to phenol determination in tap water and olive oil.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Hammani, H.& Boumya, W.& Laghrib, F.& Farahi, A.& Lahrich, S.& Abu al-Qas, A.…[et al.]. 2017. Electrocatalytic effect of NiO supported onto activated carbon in oxidizing phenol at graphite electrode : application in tap water and olive oil samples. Arab Journal of Basic and Applied Sciences،Vol. 24, no. 0, pp.26-33.
https://search.emarefa.net/detail/BIM-760221
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Hammani, H.…[et al.]. Electrocatalytic effect of NiO supported onto activated carbon in oxidizing phenol at graphite electrode : application in tap water and olive oil samples. Arab Journal of Basic and Applied Sciences Vol. 24 (Oct. 2017), pp.26-33.
https://search.emarefa.net/detail/BIM-760221
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Hammani, H.& Boumya, W.& Laghrib, F.& Farahi, A.& Lahrich, S.& Abu al-Qas, A.…[et al.]. Electrocatalytic effect of NiO supported onto activated carbon in oxidizing phenol at graphite electrode : application in tap water and olive oil samples. Arab Journal of Basic and Applied Sciences. 2017. Vol. 24, no. 0, pp.26-33.
https://search.emarefa.net/detail/BIM-760221
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 32-33
رقم السجل
BIM-760221
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر