Ni-Sensor Based on Activated Charcoal Plastic Membrane

Faculty Science Year: 2022
Type of Publication: ZU Hosted Pages: 1577-1585
Authors:
Muhsin Musa Elsayed Zaree
Journal: Journal of Analytical chemistry springer nature Volume: 77
Keywords : Ni-Sensor Based , Activated Charcoal Plastic Membrane    
Abstract:
A novel durable and reliable eco-friendly activated charcoal (AC) plastic membrane sensor was established for the determination of nickel in real and spiked samples. Different amounts (1–8 mg) of AC were tested for the sensor preparation. The membrane containing 2 mg of activated charcoal showed the best performance. The Ni2+-sensor showed a Nernstian slope of 29.8 mV/decade over a wide concentration range of 5 × 10–6–5 × 10–2 M with the correlation coefficient for the determination of 0.9971 and detection limit of 2.0 × 10–6 M. The fabricated sensor showed fast response time (5 s) and was used for a long period of more than 4 months. The sensor exhibited a wide working pH range of 3.7–7.4. The sensor was applied for the determination of nickel in banana and organic solvents like methanol, ethanol and N,N-dimethylformamide with the average recovery of 100.0% and average RSD of 1.9%
    
     
 
       

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