Is there future of sequential chemical extraction for speciation analysis of metal(loid)s in plants?

IF 3.6 4区环境科学与生态学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Environmental Pollutants and Bioavailability Pub Date : 2023-10-03 DOI:10.1080/26395940.2023.2263641

Sadia Jahangir, Yating Liu, Madiha Noureen, Jing Cui, Zhenggui Wei

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引用次数: 0

Abstract

The properties of metal(loid)s in the environment are mainly determined by their chemical forms. The chemical forms of metal(loid)s affect their possible chemical and biochemical reactions, toxicity, mobility, and bioavailability in the environment. Sequential chemical extraction (SCE) has been successfully used to clarify the chemical forms of soil metal(loid)s. However, quite a few SCE procedures have been applied for speciation analysis of plant samples; there is no systematic discussion in such a field. The current review deals with the SCE of plant metal(loid)s, and compares the extraction procedures and the extractants in different SCE methods. It has been found that some chemical forms are unreliable for plant SCE analyses. The forms can be the phosphates or oxalates of some specific metals in plants, such as gadolinium or chromium, which cannot be fully extracted by the designated extractants, 2% acetic acid, or 0.6 M/L HCl. Therefore, SCE methods for the non-bivalent metal(loid)s have been emphasized in this work. Moreover, the application status, development trends, limitations, and future directions for SCE methods of plant metal(loid)s have been discussed.

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序贯化学萃取法对植物中金属(类)化物的形态分析有前景吗?

金属在环境中的性质主要是由它们的化学形态决定的。金属的化学形态影响其在环境中可能发生的化学和生化反应、毒性、流动性和生物利用度。连续化学萃取(SCE)已成功地用于澄清土壤金属(样物质)的化学形态。然而，相当多的SCE方法被应用于植物样品的物种形成分析;在这个领域没有系统的讨论。本文综述了植物金属(类)的SCE，比较了不同SCE方法的提取方法和萃取剂。已经发现，一些化学形式对植物SCE分析是不可靠的。形式可以是植物中某些特定金属的磷酸盐或草酸盐，如钆或铬，这些金属不能用指定的萃取剂、2%醋酸或0.6 M/L盐酸完全提取。因此，非二价金属的SCE方法在本工作中得到了重视。此外，还对植物金属(样)的SCE方法的应用现状、发展趋势、局限性和未来发展方向进行了讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Pollutants and Bioavailability Chemical Engineering-Chemical Health and Safety

CiteScore

4.30

自引率

3.00%

发文量

审稿时长

13 weeks

期刊介绍： Environmental Pollutants & Bioavailability is a peer-reviewed open access forum for insights on the chemical aspects of pollutants in the environment and biota, and their impacts on the uptake of the substances by living organisms. Topics include the occurrence, distribution, transport, transformation, transfer, fate, and effects of environmental pollutants, as well as their impact on living organisms. Substances of interests include heavy metals, persistent organic pollutants, and emerging contaminants, such as engineered nanomaterials, as well as pharmaceuticals and personal-care products as pollutants.