实验室分析中微塑料污染的潜在来源,以及尽量减少污染的协议
Ibrahim Siti Aminah1,2, Kou Ikejima3,4
1Laboratory for Coastal Ecology and Conservation, Faculty of Agriculture and Marine Science, Kochi University, 200 Monobe-Otsu, Nankoku, Kochi, 783-8502, Japan.
Environmental monitoring and assessment
|June 6, 2023
概括
实验室污染可能会高估微塑料的测量. 这项研究确定了来源并实施了低成本的预防措施,为准确的生物样本分析减少了70-100%的微塑料含量.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 生态毒理学 生态毒理学
背景情况:
- 环境和生物样本中的微塑料量化容易因分析污染而被高估.
- 了解污染源对于开发准确的分析协议至关重要.
研究的目的:
- 在对生物样本进行实验室分析时,识别潜在的微塑料污染源.
- 评估廉价的预防措施对微塑料污染的有效性.
- 建立一种可靠的方法来检测微塑料在生物体中的微量含量.
主要方法:
- 对玻璃纤维过器,水,空气和化学品 (芬顿试剂,ZnCl2) 进行微塑料污染物的测试.
- 实施和评估预防措施:过溶液,过器的预燃,使用干净的机.
- 使用福里埃变换红外光谱学识别聚合物类型.
主要成果:
- 在预防措施之前,在所有测试样本中检测到微塑料污染.
- 预防措施减少了70-100%的微塑料含量.
- 确定检测极限<1,适用于检测个体生物体中的微塑料微量.
结论:
- 实验室污染严重影响了微塑料的测量.
- 低成本的预防措施在减少微塑料污染方面非常有效.
- 在生物样本中进行准确的微塑料分析需要严格遵守污染控制协议.
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