Journal
RSC ADVANCES
Volume 7, Issue 34, Pages 21164-21174Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra00952f
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- Center of Excellence for Advanced Materials Research (CEAMR) at King Abdulaziz University, Jeddah, Saudi Arabia
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Various Co-loaded ZSM-5 zeolites (Co-ZSM-5) were prepared and the details of their structural, morphological and elemental properties characterized by different conventional methods. A flat glassy carbon electrode (GCE) was modified with the Co-ZSM-5 (150%-loading) materials to obtain a sensor for hydrazine (Hyd) which displays improved sensitivity, a large dynamic range and good long-term stability. The calibration plot (best acquired at a voltage of + 0.4 V) is linear (r(2) = 0.9968) in the 0.01 nM to 0.01 mM Hyd concentration range. The detection limit is as low as 9.1 pM, and the sensitivity is similar to 31.6455 mu A mu M-1 cm(-2). To the best of our knowledge, this is the first report on the determination of Hyd using a Co-ZSM-5 (150%-loading)/Nafion/GCE combination with the I-V method for environmental approaches and it has been applied in real industrial effluents and water from the Red Sea with satisfactory results.
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