Manufacturing a new electrochemical sensor for the determination of silver ions and its application to X-ray waste
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Chemistry Department, College of Science, Tikrit University, Iraq
Submission date: 2023-11-22
Acceptance date: 2023-12-17
Publication date: 2023-12-29
Sensors and Machine Learning Applications 2023;2(4)
This study includes the determination of ion sliver using a nano electrochemical sensor GE-AgNPs coated on a weir sliver, which was prepared from the reaction of silver nanoparticles AgNPs extracted from tea leaves with drops of sodium hydroxide solution forming a black precipitate from. This precipitate was used to manufacture the selective electrode. This is the first time that this method is applied in the manufacture of selective electrodes without using organic chemical precipitants. The manufactured nanoparticles were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD).), and atomic force microscopy (AFM). Also, the properties and specifications of the manufactured nanoelectrod were studied through the optimal conditions, determination of the concentration range, the minimum Nernst response, the minimum electrode sensation, the response time, temperature, the pH range, the calculation of accuracy and compatibility, the calculation of the detection limit, and the response of the electrode to the range of concentrations of (1×10-1-1×109) molar and the correlation coefficient R2 = 0.9993 at a temperature of 30 C˚and the pH range (6-8), the limit of detection (1.0 ×1010) ) molar and a response time of (3-10) seconds. The study also included the determination of the selectivity of the manufactured Nano electrode in the presence of a solution of Silver Ions and its successful application on the X-ray Image Waste containing ion sliver.
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