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Comparison and calibration of diverse passive samplers used for the air sampling of pesticides during a regional sampling monitoring campaign
Atmospheric Pollution Research ( IF 3.9 ) Pub Date : 2020-04-24 , DOI: 10.1016/j.apr.2020.03.014
Marine Lévy , Housseinou Ba , Cyril Pallares , Cuong Pham-Huu , Maurice Millet

Passive and active samplers were compared for the monitoring of pesticides in the atmosphere during field campaigns undertaken in Alsace (northeastern France). Two different types of passive samplers were compared: XAD-2 resin and carbon-based foam.

The results show that active and passive sampling gives comparable results for the sampling of atmospheric pesticides. It is assumed that passive sampling could be used as a low-cost and simple alternative due to the number and quantities of pesticides detected, and the use of carbon-based foam as a passive sampler permits the detection of more molecules than those detected by the XAD®-2 resin, which remains the most efficient sampler for adsorbing more volatile pesticides, mecoprop-p, carbendazim, fluroxypyr, and isoproturon, among others. Thus, NMC@SiC was found to be a better adsorbent than XAD®-2 resin for the collection of a wide range of pesticides in the air.

The calculated sampling rates varied between 0.43 and 6.14 m3 d−1 for the XAD®-2 resin and between 0.08 and 6.80 m3 d−1 for the NMC@SiC foam and are of the same order of magnitude and comparable to the literature values.



中文翻译:

在区域采样监测活动中,对用于农药空气采样的各种无源采样器进行比较和校准

在阿尔萨斯(法国东北部)开展的野外活动期间,对被动和主动采样器进行了比较,以监测大气中的农药。比较了两种不同类型的被动采样器:XAD-2树脂和碳基泡沫。

结果表明,主动和被动采样可提供与大气农药采样相当的结果。假定由于检测到的农药数量和数量而使被动采样可以作为一种低成本且简单的替代方法,并且使用碳基泡沫作为被动采样器可以检测到比通过分子检测器检测到的更多的分子。 XAD®-2树脂仍是最有效的采样器,可吸附更多易挥发的农药,异丙酚,多菌灵,氟草烟和异丙隆等。因此,发现NMC @ SiC是比XAD®-2树脂更好的吸附剂,可用于收集空气中的各种农药。

对于XAD®-2树脂,计算得出的采样率在0.43至6.14 m 3 d -1之间变化;对于NMC @ SiC泡沫,计算出的采样率在0.08至6.80 m 3 d -1之间变化,并且幅度相同,可与文献进行比较价值观。

更新日期:2020-04-24
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