Showing 661 - 680 results of 1,490 for search '"pesticides"', query time: 0.08s Refine Results
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    Rapid Screening of 352 Pesticide Residues in Chrysanthemum Flower by Gas Chromatography Coupled to Quadrupole-Orbitrap Mass Spectrometry with Sin-QuEChERS Nanocolumn Extraction by Yuanyuan Wang, Zhijuan Meng, Chunyan Su, Sufang Fan, Yan Li, Haiye Liu, Xuan Zhang, Pingping Chen, Yunyun Geng, Qiang Li

    Published 2022-01-01
    “…This paper presents an efficiency evaluation of GC-Orbitrap-MS for identification and quantitation in the 352 pesticide residues analysis of chrysanthemum flowers in full-scan mode. …”
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  15. 675

    Chemical Vapour Deposition of MWCNT on Silica Coated Fe3O4 and Use of Response Surface Methodology for Optimizing the Extraction of Organophosphorus Pesticides from Water by Veronica W. O. Wanjeri, Sefater Gbashi, Jane C. Ngila, Patrick Njobeh, Messai A. Mamo, Patrick G. Ndungu

    Published 2019-01-01
    “…The synthesized Fe3O4@SiO2-MWCNT nanocomposite was used as a magnetic solid phase extraction (MSPE) adsorbent for the preconcentration of organophosphorus pesticides (OPPs), specifically, azinphos methyl, chlorpyrifos, parathion, and malathion. …”
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  16. 676

    Fabrication of Cu doped ZnO nanocrystals hybridised with Graphene oxide nanosheets as an efficient solar light driven photocatalyst for the degradation of Quinalphos pesticide in aqueous medium by S. Sibmah Stalin, E.K. Kirupa Vasam Jino

    Published 2023-06-01
    “…About 99 % of 40 ppm of Quinalphos pesticide could be degraded using ZnO/Cu/GO nanocomposite (3 mg/L) under visible light radiation within20 min at neutral pH. …”
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