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A novel Mg(OH)(2) binding layer-based DGT technique for measuring phosphorus in water and sediment

文献类型：期刊论文

作者Xie, Fazhi7; Li, Lu6; Sun, Xiaoyan6; Hu, Tingting7; Song, Kang6; Giesy, John P. P.2,3,4,5; Wang, Qilin1
刊名ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS
出版日期2020-02-01
卷号22期号:2页码:340-349
ISSN号2050-7887
DOI10.1039/c9em00508k
通讯作者Song, Kang(sk@ihb.ac.cn) ; Wang, Qilin(qilin.Wang@uts.edu.au)
英文摘要Diffusive gradients in thin films (DGT) have gained wide attention for in situ measurement of reactive phosphorus species (PO4) in natural water, sediments and potentially soils. In this study, a novel Mg(OH)(2) binding gel was formed using magnesium hydroxide obtained by in situ hydration of calcined magnesium oxide. Laboratory scale experiments showed that the novel Mg(OH)(2) gel had a homogeneous dispersion of fine particles of Mg(OH)(2) with a particle size of 2-5 mu m. With 10 mL of 2.0 mol L-1 NaOH as the eluting agent, the optimal elution efficiency of PO4 on the Mg(OH)(2) gel was 72 +/- 5%. There were linear relationships between the accumulated PO4 mass and the applied PO4 concentration (0.1 to 20 mg P per L), time (0 to 24 h) and temperature (22 to 40 degrees C). The capacity of the Mg(OH)(2) binding layer was determined to be 99.5 mu g P per disc. Tests in synthetic seawater, Chaohu Lake and Yihai Pond confirmed that Mg(OH)(2)-DGT was able to accurately measure phosphorus up to 10 days. This was indicated by the good agreements between the concentrations measured by DGT (C-DGT) technology and by an ex situ chemical method in solution (C-soln), with a C-DGT/C-soln ratio between 0.91 and 1.09.
WOS关键词DISSOLVED REACTIVE PHOSPHORUS ; IN-SITU MEASUREMENT ; THIN-FILMS ; DIFFUSIVE GRADIENTS ; FRESH-WATER ; PERFORMANCE-CHARACTERISTICS ; FERRIHYDRITE ; SOILS ; PHOSPHATE ; CAPACITY
资助项目National Natural Science Foundation of China[21777001] ; National Natural Science Foundation of China[21107001] ; National Natural Science Foundation of China[41877344] ; National Science Foundation of Anhui Province[1608085MB43] ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences[SKLECRA20160FP03] ; Australian Research Council (ARC)
WOS研究方向Chemistry ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000519738100007
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; National Science Foundation of Anhui Province ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Open Foundation of State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC)
源URL[http://ir.ihb.ac.cn/handle/342005/35841]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Song, Kang; Wang, Qilin
作者单位1.Univ Technol Sydney, Sch Civil & Environm Engn, Ctr Technol Water & Wastewater, Ultimo, NSW 2007, Australia
2.Michigan State Univ, Ctr Integrat Toxicol, E Lansing, MI 48824 USA
3.Michigan State Univ, Dept Zool, E Lansing, MI 48824 USA
4.Univ Saskatchewan, Toxicol Ctr, Saskatoon, SK S7N 5B3, Canada
5.Univ Saskatchewan, Dept Vet Biomed Sci, Saskatoon, SK S7N 5B3, Canada
6.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
7.Anhui Jianzhu Univ, Sch Mat Sci & Chem Engn, Hefei, Peoples R China
推荐引用方式
GB/T 7714		 Xie, Fazhi,Li, Lu,Sun, Xiaoyan,et al. A novel Mg(OH)(2) binding layer-based DGT technique for measuring phosphorus in water and sediment[J]. ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS,2020,22(2):340-349.
APA Xie, Fazhi.,Li, Lu.,Sun, Xiaoyan.,Hu, Tingting.,Song, Kang.,...&Wang, Qilin.(2020).A novel Mg(OH)(2) binding layer-based DGT technique for measuring phosphorus in water and sediment.ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS,22(2),340-349.
MLA Xie, Fazhi,et al."A novel Mg(OH)(2) binding layer-based DGT technique for measuring phosphorus in water and sediment".ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS 22.2(2020):340-349.

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来源：水生生物研究所

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