Development of a New Polar Organic Chemical Integrative Sampler for 1,4‐dioxane Using Silicone Membrane as a Diffusion Barrier
Development of a New Polar Organic Chemical Integrative Sampler for 1,4‐dioxane Using Silicone Membrane as a Diffusion Barrier
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使用硅胶膜作为扩散屏障开发新型 1,4-二恶烷极性有机化学一体化采样器
DOI:
10.1002/etc.5518
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发表时间:
2023
影响因子:
4.1
通讯作者:
Yabuki Yoshinori
中科院分区:
文献类型:
--
作者:
Noro Kazushi;Endo Satoshi;Inoue Daisuke;Suzuki Natsumi;Kameoka Hiroshi;Ono Junko;Nakamura Satoshi;Yabuki Yoshinori
Efficient monitoring methods must be developed for 1,4‐dioxane, which is suspected to be carcinogenic to humans and is highly mobile in aquatic environments. In this regard, polar organic chemical integrative samplers (POCIS) have been utilized extensively as passive samplers for determining time‐weighted average concentrations of hydrophilic organic compounds. However, POCIS are difficult to apply to extremely hydrophilic known organic compounds with negative log octanol–water partition coefficient (Kow) values due to their limited kinetic sampling time. Using an activated carbon‐based sorbent with a high adsorption capacity and a bilayer of silicone and polyethersulfone membranes that inhibit mass transfer to the sorbent, we developed a POCIS device to measure 1,4‐dioxane (logKow−0.27) in the present study. Permeation and field calibration tests demonstrated that the use of silicone membranes effectively reduces the water‐to‐sorbent mass transfer rate. The sampling rate and kinetic sampling period determined by field calibration tests were 1.4 ml day−1and >14 days, respectively. Finally, the developed POCIS device was applied to a landfill treatment plant to determine the 1,4‐dioxane concentrations.Environ Toxicol Chem2023;42:296–302. © 2022 SETAC
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影响因子:
4.1
作者:
Djomte, Valerie Toteu;Taylor, Raegyn B.;Chambliss, C. Kevin
通讯作者:
Chambliss, C. Kevin
DOI:
10.1007/s00128-009-9697-5
发表时间:
2009
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