基于绿色化学的液相微萃取和汞测定策略

IF 11.1 2区化学 Q1 CHEMISTRY, ANALYTICAL

Trends in Environmental Analytical Chemistry Pub Date : 2024-11-13 DOI:10.1016/j.teac.2024.e00247

Rosivan Santos Assis , Jeferson Alves Barreto , Márcio José Silva Santos , Uneliton Neves Silva , Victor Miranda Amazonas , Clinzen Fona Cletche , Marcos Almeida Bezerra , Valfredo Azevedo Lemos

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引用次数: 0

摘要

这篇综述文章探讨了几种用于样品处理的液相微萃取（LPME）策略，以测定几种基质中的汞物种。液相微萃取技术可细分为四种主要技术：分散液相微萃取（DLPME）、中空纤维液相微萃取（HF-LPME）、单滴液相微萃取（SDME）和浊点萃取（CPE）。对比分析强调了每种方法的相对有效性。DLPME 可以缩短萃取时间，但溶剂消耗可能较高。HF-LPME 和 SDME 虽然选择性高，但萃取时间长，操作复杂。CPE 采用基于表面活性剂的系统，是一种更环保的替代方法，效率适中，但需要仔细控制操作条件。本综述对 LPME 技术进行了评估，同时考虑了绿色化学以及汞的测定和标示方面的进展。文中还讨论了这些技术的优势、局限性和当前的应用情况。

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Green chemistry-based strategies for liquid-phase microextraction and determination of mercury species

This review article explores several liquid-phase microextraction (LPME) strategies in sample treatment for determining mercury species in several matrices. LPME can be subdivided into four main techniques: dispersive liquid-phase microextraction (DLPME), hollow fiber liquid-phase microextraction (HF-LPME), single drop liquid-phase microextraction (SDME), and cloud point extraction (CPE). The comparative analysis highlights the relative effectiveness of each method. DLPME enables shorter extraction times, but solvent consumption can be high. Although they provide high selectivity, HF-LPME, and SDME, in turn, require longer extraction times, and handling is complex. CPE, employing surfactant-based systems, offers a greener alternative with moderate efficiency but requires careful control of operating conditions. LPME techniques are evaluated in this review, considering advances in green chemistry and the determination and speciation of mercury. The advantages, limitations, and current applications of the techniques are also addressed in the text.

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来源期刊

Trends in Environmental Analytical Chemistry Chemistry-Analytical Chemistry

CiteScore

21.20

自引率

2.70%

发文量

审稿时长

44 days

期刊介绍： Trends in Environmental Analytical Chemistry is an authoritative journal that focuses on the dynamic field of environmental analytical chemistry. It aims to deliver concise yet insightful overviews of the latest advancements in this field. By acquiring high-quality chemical data and effectively interpreting it, we can deepen our understanding of the environment. TrEAC is committed to keeping up with the fast-paced nature of environmental analytical chemistry by providing timely coverage of innovative analytical methods used in studying environmentally relevant substances and addressing related issues.