Spatial distribution of typical persistent organic pollutants in South China Sea by economical solid phase microextraction with hierarchical porous biochar,Journal of Hazardous Materials

当前位置： X-MOL 学术 › J. Hazard. Mater. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Spatial distribution of typical persistent organic pollutants in South China Sea by economical solid phase microextraction with hierarchical porous biochar
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2025-04-11 , DOI: 10.1016/j.jhazmat.2025.138262
Jinglin Chen ₁ , Yixin Kuang ₂ , Xiaoying Feng ₁ , Cheng Mao ₂ , Suxin Zhou ₂ , Weidong Zhai ₁ , Juan Zheng ₁ , Gangfeng Ouyang ₃

Affiliation

Rapid, accurate, and cost-effective determination of typical persistent organic pollutants in marine water provides crucial support for risk management and remediation. Herein, an activated Cucumis metuliferus biochar (ACMB) with large specific surface area, hierarchical structure, and large pore volume, was synthesized through a simple treatment process. Subsequently, it was fabricated as uniform solid-phase microextraction (SPME) fiber at a cost of less than 0.17 Renminbi (RMB) per fiber for the extraction of five polycyclic aromatic hydrocarbons (PAHs) and four organochlorine compounds (OCs) in marine water. The ACMB-coated fiber exhibited exceptional enrichment factors ranging from 1601 to 6732, and outperformed the commercial fibers in terms of stability, extraction performance, and production cost, verifying its outstanding practicability. By coupling it with gas chromatography-mass spectrometry (GC-MS), a highly automatic method was developed, exhibiting low detection limits (0.30–0.99 ng L−1), wide linear ranges (5–2000 ng L−1), and good reproducibility. It realized the highly efficient determinations of PAHs and OCs in marine water samples collected from South China Sea (n = 18), providing the spatial distribution of acenaphthene, fluorene, and anthracene in the marine environment.

中文翻译：

多级多孔生物炭经济固相微萃取南海典型持久性有机污染物的空间分布

快速、准确且经济高效地测定海水中的典型持久性有机污染物，为风险管理和补救提供了重要支持。在此，通过简单的处理工艺合成了具有大比表面积、分层结构和大孔体积的活化黄瓜生物炭（ACMB）。随后，它以每根纤维不到 0.17 元（RMB）的成本制成均匀固相微萃取（SPME）纤维，用于提取海水中的五种多环芳烃（PAH）和四种有机氯化合物（OC）。ACMB 涂层纤维表现出从 1601 到 6732 的优异富集因子，在稳定性、提取性能和生产成本方面优于商品纤维，验证了其出色的实用性。通过将其与气相色谱-质谱（GC-MS）联用，开发了一种高度自动化的方法，该方法具有低检测限（0.30–0.99 ng L−1）、宽线性范围（5–2000 ng L−1）和良好的重现性。它实现了对南海（n = 18）采集的海水样品中 PAHs 和 OCs 的高效测定，提供了苊、芴和蒽在海洋环境中的空间分布。

更新日期：2025-04-11

点击分享查看原文

点击收藏

阅读更多本刊新发论文本刊介绍/投稿指南