在自来水中微塑料的发生,采样,识别和表征:系统性审查和元分析
Masoumeh Malekzadeh1, Reza Dehghanzadeh2, Seyedeh Masoumeh Ebrahimi1
1Department of Environmental Health Engineering, Tabriz University of Medical Sciences, Tabriz, Iran.
Ecotoxicology and environmental safety
|May 20, 2025
概括
龙头水中的微塑料污染平均为每升57颗颗粒. 这一系统性审查强调了像聚乙烯这样的常见聚合物和像纤维和碎片这样的占主导地位的形状,敦促标准化分析方法.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 公共卫生 公共卫生
背景情况:
- 饮用水源中的微塑料 (MP) 污染是全球日益关注的问题.
- 了解自来水中的MP的流行率和特征对于评估潜在风险至关重要.
研究的目的:
- 系统地审查和对自来水中微塑料污染水平和特征进行元分析.
- 评估目前的抽样,处理和分析技术,用于在自来水中的MP.
主要方法:
- 在主要的科学数据库中进行了系统的文献搜索,直到2025年1月.
- 该审查包括了43项研究,对MP发生数据进行了元分析.
- 手动采样和微观,拉曼和里埃变换红外光谱 (FTIR) 是常见的分析技术.
主要成果:
- 龙头水中MPs的综合平均度为每升56.98颗粒 (P/L).
- 聚乙烯 (PE),聚乙烯二甲 (PET) 和聚烯 (PP) 是最常被识别的聚合物.
- 纤维和碎片是发现的主要MP形状.
结论:
- 在MP分析方法的显著变化阻碍了研究之间的可靠比较.
- 标准化协议对于准确和一致的龙头水MP量化至关重要.
- 这一审查为开发协调的MP分析方法提供了基础.
相关概念视频
01:23Sampling Plans
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Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
162
01:18Sampling Methods: Sample Types
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Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
173