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Making waves: Water-soluble polymers in the aquatic environment: An overlooked class of synthetic polymers?

机译：制作波：水上环境中的水溶性聚合物：忽略的覆盖的合成聚合物？

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摘要

Synthetic polymers have been one of the defining environmental topics of the last decade. Synthetic polymers in the environment are usually classified by their size. They encompass the widely discussed size fractions of macroplastic, microplastic, and nanoplastic. Water-soluble polymers (WSPs), however, are mostly absent in this discussion. In this paper, we argue that WSPs are produced in large quantities and have many applications that facilitate a discharge into the environment, where their fate and impact remain mostly unclear. We argue that there are yet no suitable analytical methods for the quantification of WSPs in environmental matrices and propose an analytical method that utilizes size exclusion chromatography - mass spectrometry to detect and potentially also quantify WSPs through specific fragments generated by in-source fragmentation. With the detection of polyethylene glycol in a wastewater treatment plant effluent and a surface water sample we provide a first prove of principle for the applicability of this novel analytical approach to WSPs. Ultimately, we conclude that WSPs are currently in a similar position as MP were in the advent of their investigation: We know of an environmental contamination but are uncertain of its extent and impact and still lack the tools to investigate them thoroughly. (C) 2020 Elsevier Ltd. All rights reserved.
机译：合成聚合物是过去十年的定义环境主题之一。环境中的合成聚合物通常由其大小进行归类。它们包括广泛讨论的宏观塑料，微塑料和纳米塑料尺寸分数。然而，在该讨论中，水溶性聚合物（WSP）主要是不存在的。在本文中，我们认为WSPS以大量生产，并且有许多有助于放电进入环境的应用，其命运和影响仍然不清楚。我们认为，在环境基质中没有合适的分析方法进行环境基质中的WSP，并提出一种利用尺寸排阻色谱 - 质谱法的分析方法来检测和潜在地通过源自碎裂产生的特定片段量化WSP。随着废水处理植物中的聚乙二醇的检测，流出物和地表水样品，我们提供了本新的分析方法对WSP的适用性原理的第一证明。最终，我们得出结论，WSP目前处于类似的位置，因为MP正在调查的出现时：我们知道环境污染，但不确定其程度和影响，仍然缺乏彻底调查这些工具。 （c）2020 elestvier有限公司保留所有权利。

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