新兴污染物作为短期环境变化的指标,在一个化的沿海湖中出现
Izabella Almirante Porto Tiburcio Rodrigues1, Milena Ceccopieri2, Rodrigo Chiclana1
1LABMAM/Department of Chemistry, Pontifícia Universidade Católica do Rio de Janeiro, 22453-900 Rio de Janeiro, Brazil.
Marine pollution bulletin
|November 6, 2024
概括
新出现的污染物显示出作为短期监测的环境指标的前景. 这项研究确定了双A和布洛芬等关键化合物,用于优化沿海湖监测计划.
科学领域:
- 环境化学环境化学
- 分析化学 分析化学
- 生态毒理学 生态毒理学
背景情况:
- 传统污染物经常用于环境监测.
- 新兴污染物,如药品和个人护理产品,越来越多地在水生环境中被检测到.
- 评估它们作为短期监测指标的有用性对于有效的环境管理至关重要.
研究的目的:
- 评估新出现的污染物作为短期环境质量监测的潜在指标.
- 为了比较它们与传统污染物的有效性.
- 为了优化Piratininga沿海湖的监测计划.
主要方法:
- 来自Piratininga湖的13个沉积物样本的分析.
- 在固相提取和衍生后,使用气体染色学质谱法 (GC-MS) 量化九种新出现的污染物.
- 评估空间分布和与气候条件的相关性.
主要成果:
- 开发了一种强大的分析方法,其量化极限在0.32和1.49 ng g-1之间.
- 双甲,17β-雌激醇,布洛芬和三香在1.5至4.76 ng g-1.1的度中被检测到.
- 纳波帕米德,迪克洛菲纳克,纳普罗,埃托菲布拉特,纳多洛尔和卡巴马泽平均低于量化限值.
结论:
- 新出现的污染物,特别是双A,布洛芬和三桑,是短期环境质量监测的有希望的指标.
- 该研究成功优化了监测程序,减少了分析的化合物数量和采样网格大小.
- 两年间的监测是可行的,导致更高效和更具成本效益的环境管理策略.
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