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Continuous and Rapid Synthesis of UiO-67 by Electrochemical Methods for the Electrochemical Detection of Hydroquinone.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-06-17 , DOI: 10.1021/acs.inorgchem.0c00580 Ting Zhang 1 , Jin-Zhi Wei 1 , Xiao-Jun Sun 1 , Xue-Jing Zhao 1 , Hong-Liang Tang 1 , Han Yan 1 , Feng-Ming Zhang 1
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-06-17 , DOI: 10.1021/acs.inorgchem.0c00580 Ting Zhang 1 , Jin-Zhi Wei 1 , Xiao-Jun Sun 1 , Xue-Jing Zhao 1 , Hong-Liang Tang 1 , Han Yan 1 , Feng-Ming Zhang 1
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Continuous and rapid synthesis of UiO-67 under mild conditions has been achieved by electrochemical methods for the first time. In the reaction system, a zirconium sheet was utilized as electrodes and a metal source for the assembly of UiO-67. High-crystalline UiO-67 with a regular tetrahedral morphology of around 1 μm was obtained within 1.5 h under the optimized solvent composition, voltage, and temperature conditions. This electrochemical synthetic method of UiO-67 in our work overcomes the shortcomings of high temperature and pressure of a traditional solvothermal method, which proposes new ideas for the large-scale and rapid synthesis of UiO-67. The UiO-67 synthesized by an electrochemical method was prepared as a UiO-67–carbon paste electrode (CPE), which exhibited a linear response to hydroquinone (HQ) in the range of 5–300 μM with a detection limit of 3.6 × 10–9 M (S/N = 3), for the electrochemical detection of HQ. It was confirmed that UiO-67–CPE possessed excellent reusability and antiinterference ability for the detection of HQ, and its detection ability even did not change after standing for 3 months. We further tried to apply UiO-67–CPE to the practical determination of HQ in tap water and river water samples, and the results proved that the recovery rate is 97.9–104.7% in real samples.
中文翻译：
电化学方法连续快速合成UiO-67，用于对苯二酚的电化学检测。
首次通过电化学方法实现了在温和条件下连续快速合成UiO-67。在反应系统中，锆片用作UiO-67的组装电极和金属源。在优化的溶剂组成，电压和温度条件下，于1.5 h内获得具有约1μm规则四面体形貌的高结晶UiO-67。我们在工作中采用的这种UiO-67电化学合成方法克服了传统溶剂热法高温高压的缺点，为UiO-67的大规模，快速合成提出了新的思路。通过电化学方法合成的UiO-67被制备为UiO-67-碳糊电极（CPE），–9 M（S / N = 3），用于HQ的电化学检测。可以肯定的是，UiO-67-CPE对HQ的检测具有极好的可重复使用性和抗干扰能力，并且静置3个月后其检测能力甚至没有变化。我们进一步尝试将UiO-67–CPE应用于自来水和河水样品中HQ的实际测定，结果证明，实际样品中的回收率为97.9–104.7％。
更新日期：2020-07-06
中文翻译：
电化学方法连续快速合成UiO-67，用于对苯二酚的电化学检测。
首次通过电化学方法实现了在温和条件下连续快速合成UiO-67。在反应系统中，锆片用作UiO-67的组装电极和金属源。在优化的溶剂组成，电压和温度条件下，于1.5 h内获得具有约1μm规则四面体形貌的高结晶UiO-67。我们在工作中采用的这种UiO-67电化学合成方法克服了传统溶剂热法高温高压的缺点，为UiO-67的大规模，快速合成提出了新的思路。通过电化学方法合成的UiO-67被制备为UiO-67-碳糊电极（CPE），–9 M（S / N = 3），用于HQ的电化学检测。可以肯定的是，UiO-67-CPE对HQ的检测具有极好的可重复使用性和抗干扰能力，并且静置3个月后其检测能力甚至没有变化。我们进一步尝试将UiO-67–CPE应用于自来水和河水样品中HQ的实际测定，结果证明，实际样品中的回收率为97.9–104.7％。
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