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一个简单的微塑料分离器用于分样扩展聚乙烯颗粒.

Ryota Nakajima1, Noriyuki Isobe1, Nisha Singh1

  • 1Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima Yokosuka, Kanagawa, Japan.

MethodsX
|December 6, 2023
PubMed
概括

一个新的辐射分离器精确地从海洋样本中分离浮力微塑料,如扩展聚乙烯 (EPS). 这种简单的不钢装置克服了传统浮游生物分裂器的准确性问题,用于准确的微塑料分析.

科学领域:

  • 环境科学 环境科学
  • 海洋生物学 海洋生物学
  • 分析化学 分析化学

背景情况:

  • 微塑料分析需要分样采集,因为从净提取中获得的样本数量很大.
  • 传统的浮游生物分裂器 (Folsom,Motoda) 不准确地分离出像扩展聚乙烯 (EPS) 这样的高度浮性微塑料.
  • 浮性微塑料粘附于传统分割装置的内壁,损害了样品的完整性.

研究的目的:

  • 开发一种新的,准确的方法来进行浮动微塑料子样本采集.
  • 为了解决EPS和类似材料现有的浮游生物分裂器的局限性.
  • 创建一个通用的工具,用于精确的微塑料样品分工.

主要方法:

  • 一个简单的辐射分割器,灵感来自一个果切割机,被设计和制造的不钢.
  • 辐射分离器用于分割海洋微塑料样本,特别关注扩展聚乙烯 (EPS).
  • 为了分析,EPS微塑料样品被均地分为八个配额.

主要成果:

  • 研发的辐射分离器有效地和均地将EPS微塑料样品分成八个aliquots.
  • 在分割的率之间没有观察到任何显著差异,这表明准确性很高.
  • 该装置被证明有效地分离其他浮性微塑料,包括聚烯和聚乙烯.
关键词:
这是一个分裂的分裂.在EPS的EPS系统中.微塑料是一种微塑料.塑料颗粒是一种塑料颗粒.辐射微塑料分离器 辐射微塑料分离器分裂,就是分裂.

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结论:

  • 这种新型的辐射分离器提供了一种精确可靠的方法,用于分样浮动微塑料.
  • 该工具提高了微塑料计数和分析的准确性,特别是对于像EPS这样具有挑战性的材料.
  • 该设备为海洋微塑料研究提供了多功能解决方案,提高了样品处理效率.