Preparation of magnetic zeolitic imidazolate framework-8 for magnetic solid-phase extraction of strobilurin fungicides from environmental water samples.

2021 ◽  
Author(s):  
Xinyi Li ◽  
Bingzhi Li ◽  
Min Chen ◽  
Mengmeng Yan ◽  
Xiaolin Cao ◽  
...  
Keyword(s):  
Solid Phase Extraction ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Phase Extraction ◽  
Zeolitic Imidazolate Framework ◽  
Strobilurin Fungicides ◽  
In Situ Method ◽  
Magnetic Solid

In this paper, magnetic zeolitic imidazolate framework-8 composites were synthesized by the simple in-situ method and then firstly used as adsorbent in magnetic solid-phase extraction for extracting multiple strobilurin fungicides....

Preparation of magnetic zeolitic imidazolate framework-67 composites for the extraction of phthalate esters from environmental water samples

2020 ◽  
Vol 12 (40) ◽  
pp. 4906-4912
Author(s):  
Qingsong Zhang ◽  
Guangyang Liu ◽  
Xiaolin Cao ◽  
Jungang Yin ◽  
Ziping Zhang
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Phthalate Esters ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Phase Extraction ◽  
Zeolitic Imidazolate Framework ◽  
Magnetic Solid

In this paper, magnetic ZIF-67 composites were prepared by an in situ method and utilized in the magnetic solid-phase extraction of phthalate esters.

In situ rapid magnetic solid-phase extraction coupled with HPLC-ICP-MS for mercury speciation in environmental water

2016 ◽  
Vol 126 ◽  
pp. 25-31 ◽  
Author(s):  
Shengxiao Zhang ◽  
Hao Luo ◽  
Yuanyuan Zhang ◽  
Xiaoyan Li ◽  
Junshen Liu ◽  
...  
Keyword(s):  
Solid Phase Extraction ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Mercury Speciation ◽  
Phase Extraction ◽  
Icp Ms ◽  
Magnetic Solid

Zeolitic imidazolate framework-8 coated Fe3O4@SiO2 composites for magnetic solid-phase extraction of bisphenols

2020 ◽  
Vol 44 (14) ◽  
pp. 5324-5332 ◽  
Author(s):  
Jinfei Liu ◽  
Huijiao Qiu ◽  
Fei Zhang ◽  
Yan Li
Keyword(s):  
Composite Material ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Magnetic Composite ◽  
Phase Extraction ◽  
Zeolitic Imidazolate Framework ◽  
Magnetic Solid ◽  
Plastic Products

A new magnetic composite material ZIF-8 coated Fe3O4@SiO2 was employed for preconcentration and detection of trace BPs in water and plastic products.

scholarly journals Magnetic solid-phase extraction of pyrethroid insecticides from tea infusions using ionic liquid-modified magnetic zeolitic imidazolate framework-8 as an adsorbent

RSC Advances ◽  
2019 ◽  
Vol 9 (67) ◽  
pp. 39272-39281 ◽  
Author(s):  
Xiaodong Huang ◽  
Yanan Liu ◽  
Huifang Liu ◽  
Guangyang Liu ◽  
Xiaomin Xu ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Phase Extraction ◽  
Zeolitic Imidazolate Framework ◽  
Pyrethroid Insecticides ◽  
Tea Infusions ◽  
Magnetic Solid

A MSPE-GC-MS/MS method was developed for the analysis of pyrethroids from tea infusions using Fe3O4/ZIF-8/IL as an adsorbent.

scholarly journals Multi-Walled Carbon Nanotubes for Magnetic Solid-Phase Extraction of Six Heterocyclic Pesticides in Environmental Water Samples Followed by HPLC-DAD Determination

Materials ◽  
2020 ◽  
Vol 13 (24) ◽  
pp. 5729
Author(s):  
Jiping Ma ◽  
Liwei Hou ◽  
Gege Wu ◽  
Liyan Wang ◽  
Xiaoyan Wang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Phase Extraction ◽  
Multi Walled Carbon Nanotubes ◽  
Magnetic Solid ◽  
Walled Carbon Nanotubes

Magnetic multi-walled carbon nanotubes were prepared as magnetic solid-phase extraction (MSPE) adsorbent for the enrichment of six heterocyclic pesticides in environmental water samples, including imidacloprid, triadimefon, fipronil, flusilazole, chlorfenapyr and fenpyroximate. Then six heterocyclic pesticides were separated and determined by high-performance liquid chromatography-diode-array detector (HPLC-DAD). Major factors influencing MSPE efficiency, including the dose of mag-multi-walled carbon nanotubes (mag-MWCNTs), extraction time, solution pH, salt concentration, type and volume of eluent and desorption time were investigated. Under the optimized conditions, the enrichment factor of the method reached to 250. The linearity was achieved within 0.05–10.0 μg/L for imidacloprid and chlorfenapyr, 0.10–10.0 μg/L for fipronil, flusilazole, triadimefon and fenpyroximate. Limits of detection were in the range of 0.01–0.03 μg/L. Good precision at three spiked levels were 1.1–11.2% (intra-day) and 1.7–11.0% (inter-day) with relative standard deviation of peak area, respectively. The developed method was utilized to analyze tap water, river water and reservoir water samples and recoveries at three spiked concentration levels ranged from 72.2% to 107.5%. The method was proved to be a convenient, rapid and practical method for sensitive determination of heterocyclic pesticides.

scholarly journals Magnetic Solid-Phase Extraction of Pyrethroid Pesticides from Environmental Water Samples Using Deep Eutectic Solvent-type Surfactant Modified Magnetic Zeolitic Imidazolate Framework-8

Molecules ◽  
2019 ◽  
Vol 24 (22) ◽  
pp. 4038 ◽  
Author(s):  
Huifang Liu ◽  
Lihua Jiang ◽  
Meng Lu ◽  
Guangyang Liu ◽  
Tengfei Li ◽  
...  
Keyword(s):  
Water Samples ◽  
Solid Phase ◽  
Deep Eutectic Solvent ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Environmental Water Samples ◽  
Phase Extraction ◽  
Zeolitic Imidazolate Framework ◽  
Pyrethroid Pesticides ◽  
Magnetic Solid

A simple, sensitive and effective magnetic solid-phase extraction (MSPE) technique was developed for the extraction of pyrethroid pesticides from environmental water samples, followed by gas chromatography tandem triple quadrupole mass spectrometry determination. An adsorbent of magnetic zeolitic imidazolate framework-8@deep eutectic solvent (M-ZIF-8@DES) was prepared using deep eutectic solvent coated on the surface of M-ZIF-8. The features of M-ZIF-8@DES were confirmed by material characterizations, and the results indicated that M-ZIF-8@DES has a good magnetism (61.3 emu g−1), a decent surface area (96.83 m2 g−1) and pore volume (0.292 mL g−1). Single factor experiments were carried out to investigate the effect of different conditions on the performance of MSPE. Under the optimal conditions, the developed method performs good linearity (R2 ≥ 0.9916) in the concentration range of 1–500 μg L−1. The limits of detection were in the range of 0.05–0.21 μg L−1 (signal/noise = 3/1). The intraday relative standard deviation (RSD) and interday RSD were less than 9.40%. Finally, the proposed technique was applied for the determination of pyrethroid pesticides in environmental water samples. This work shows the potential of DES-modified metal-organic frameworks for different sample pretreatment techniques.

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