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1篇 您的检索式:作者名="Mohan V.Jacob"
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1Nitrite sensor using activated biochar synthesised by microwave-assisted显示文摘Developing applications for the by-products obtained from waste processing is vital for resource recovery.The synthesis of ZnCl2-activated biochar with high electrocatalytic activity was carried out by the microwave-assisted pyrolysis of pineapple peel and subsequent chemical activation process.Activated biochar is employed in the electrochemical sensing of nitrite by drop casting in a glassy carbon electrode(GCE).The activated biochar exhibited a stacked carbon sheet,254 m2 g−1 Brunauer,Emmett and Teller(BET)surface area,0.076 cm3 g−1 pore volume,189.53 m2 g−1 micropore area and oxygen-containing functional groups.The electrochemical impedance spectroscopy of the modified GCE showed a reduced charge transfer resistance of 61%.This is crucial to determine the electrochemical properties of biochar.The sensor showed a significant current response and an excellent limit of detection of 0.97µmol L−1.The modified-activated biochar electrochemical sensor demonstrated high selectivity,reproducibility(RSD=2.4%),and stability(RSD=2.6%).Scarlett Allende Yang Liu Muhammad Adeel Zafar Mohan V.Jacob 2023Waste Disposal and Sustainable Energy2023,5,1:0
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