One-Pot Engineering Of Novel Cashew Like Cobalt Tungstate; Dynamic Electrocatalyst For The Selective Detection Of Promethazine Hydrochloride

MICROCHEMICAL JOURNAL(2020)

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Abstract
In recent years, advanced functional materials have been attaining a much important role in electrochemical sensors for day-to-day life activities. The specific detection of (bio) sensor with a cost-effective method has focused much recently and more comfortable with making a low-cost device for practical applications. Herein, we used a cost-effective method for fabricating the electrochemical sensing detector for promethazine hydrochloride (PHC) using cashew like cobalt tungstate (CW). The CW was synthesized using a simple co-precipitation method and was characterized using FTIR, Raman, XRD, FE-SEM, XPS, EDAX, and elemental mapping analysis. Also, the electrochemical activity and potential impact of the CW were scrutinized by CV and used towards the oxidation of PHC. As a result, the electrochemical experiments proved that the CW exhibits superior electro- chemical performance with lower LOD and sensitivity of 0.0159 mu M and 0.3056 mu A mu M-1 cm(-2), respectively. Furthermore, the selectivity, repeatability, reproducibility, and real samples analysis of the sensor confirmed the promising nature of the CW modified electrode towards the detection of PHC.
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Key words
Cashew like cobalt tungstate, Electrochemical detection, Anti, Promethazine hydrochloride, PHC tablet, And lake water
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