Rapid Detection of ppt Concentration of Perfluorooctane Sulfonate in Water by Quartz Crystal Microbalance Loaded with MOF-808

IF 1.8 3区 化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR
Luyu Wang, Jia Song, Chenghai Ruan, Chunyang Yu
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引用次数: 0

Abstract

Identifying trace levels of perfluorooctane sulfonate (PFOS) at parts per trillion (ppt) in water remains a formidable task. Here, we fabricated MOF-808 through rapid microwave synthesis. Characterization of the synthesized MOF-808 involved techniques including XRD, FT-IR, SEM, and nitrogen sorption analysis. We integrated the MOF-808 as the sensing layer in a quartz crystal microbalance (QCM) sensor, specifically tailored for PFOS detection in water. Our findings revealed that the QCM sensor can detect 10 ppt of PFOS when the frequency shift is approximately 90 Hz within 50 s. Moreover, the continuous response, selectivity, and anti-interference capability of the sensor were systematically explored. This study introduces a pioneering approach for detecting ppt concentrations of PFOS in water, offering significant prospects for future applications and dissemination.

Abstract Image

负载MOF-808的石英晶体微天平快速检测水中全氟辛烷磺酸ppt浓度
确定水中万亿分之一的全氟辛烷磺酸(PFOS)的痕量水平仍然是一项艰巨的任务。本文采用快速微波合成法制备了MOF-808。对合成的MOF-808进行了表征,包括XRD, FT-IR, SEM和氮吸附分析。我们将MOF-808集成为石英晶体微平衡(QCM)传感器的传感层,专门用于水中全氟辛烷磺酸的检测。研究结果表明,当频率漂移约为90 Hz时,QCM传感器在50 s内可以检测到10 ppt的PFOS。系统地探讨了传感器的连续响应、选择性和抗干扰能力。本研究介绍了一种检测水中全氟辛烷磺酸ppt浓度的开创性方法,具有重要的应用和推广前景。
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来源期刊
Russian Journal of Inorganic Chemistry
Russian Journal of Inorganic Chemistry 化学-无机化学与核化学
CiteScore
3.10
自引率
38.10%
发文量
237
审稿时长
3 months
期刊介绍: Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.
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