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首页> 外文期刊>International Journal of Environmental Research and Public Health >An Artificial Turf-Based Surrogate Surface Collector for the Direct Measurement of Atmospheric Mercury Dry Deposition
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An Artificial Turf-Based Surrogate Surface Collector for the Direct Measurement of Atmospheric Mercury Dry Deposition

机译：基于人造草皮的替代表面收集器，用于直接测量大气中汞的干沉降

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摘要

This paper describes the development of a new artificial turf surrogate surface (ATSS) sampler for use in the measurement of mercury (Hg) dry deposition. In contrast to many existing surrogate surface designs, the ATSS utilizes a three-dimensional deposition surface that may more closely mimic the physical structure of many natural surfaces than traditional flat surrogate surface designs (water, filter, greased Mylar film). The ATSS has been designed to overcome several complicating factors that can impact the integrity of samples with other direct measurement approaches by providing a passive system which can be deployed for both short and extended periods of time (days to weeks), and is not contaminated by precipitation and/or invalidated by strong winds. Performance characteristics including collocated precision, in-field procedural and laboratory blanks were evaluated. The results of these performance evaluations included a mean collocated precision of 9%, low blanks (0.8 ng), high extraction efficiency (97%–103%), and a quantitative matrix spike recovery (100%).
机译：本文介绍了一种新的人造草皮替代表面（ATSS）采样器的开发，该采样器用于测量汞（Hg）干沉积。与许多现有的替代表面设计相比，ATSS利用三维沉积表面，可以比传统的平面替代表面设计（水，过滤器，涂脂聚酯薄膜）更紧密地模仿许多自然表面的物理结构。 ATSS旨在通过提供可在短时间和长时期（数天至数周）内部署且不受污染的无源系统，克服其他可能会影响样品完整性的其他复杂因素（采用其他直接测量方法）降水和/或因强风而失效。评估性能特征，包括并置精度，现场程序和实验室空白。这些性能评估的结果包括平均配置精度为9％，空白率低（0.8 ng），提取效率高（97％–103％）和定量基质加标回收率（100％）。

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