A Novel and Highly Sensitive Reduced Graphene Oxide Modified Electrochemical Sensor for the Determination of Chlorpyrifos in Real Sample

Yıl 2021, Cilt: 7 Sayı: 1, 1 - 12, 30.06.2021

Berna Koçak , Hüseyin Çelikkan

https://doi.org/10.29132/ijpas.791520

Cited By: 3

Öz

Bu çalışmada, klorpirifosun (CPF) voltametrik davranışı, indirgenmiş grafen oksit modifiye camsı karbon elektrot (RGO / GCE) kullanılarak incelenmiştir. Hummers'ın yöntemiyle hazırlanan grafen oksit ve indirgenmiş grafen oksit ürünlerinin karakterizasyonunda FT-IR, XRD ve TEM yöntemleri kullanıldı. CPF'nin elektrokimyasal karakterizasyonu, döngüsel voltametri (CV) ve diferansiyel puls voltametri (DPV) ile belirlendi. CPF'nin belirlenmesi için RGO / GCE üzerinde diferansiyel darbeli adsorptif sıyırma voltametrisi (DPAdSV) yapıldı. CPF'nin DPAdSV yöntemi ile kalibrasyon grafiği 5.19x10-7-8.12x10-6 M ve 8.12x10-6-2.18x10-3 M ile 1.56x10-7 M LOD olmak üzere iki çalışma aralığı vermiştir. RGO / GCE'de musluk suyu eklenmiş klorpirifos geri kazanımı% 101.0 olmuştur. Sonuç olarak, gerçek numunelerde kullanılabilen CPF tayini için seçici ve duyarlı bir ürün geliştirilmiştir

Anahtar Kelimeler

Chlorpyrifos, Modified electrode, Reduced graphene oxide

Destekleyen Kurum

Gazi University Scientific Research Fund/Munzur University Scientific Research Fund

Proje Numarası

(05/2017-15)/(MFTUB013 02)

Teşekkür

The authors gratefully acknowledge the supports of Gazi University under Scientific Research Fund (05/2017-15) and Munzur University under Scientific Research Fund (MFTUB013 02). In addition, we would like to thank Assoc. Prof. Dr. Vahap YÖNTEN for his help with chemical materials.

Kaynakça

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