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Showing 81-100 of 2,578 results
  1. Determination of Rhodamine B by UV–Vis spectrophotometry in cosmetics after microextraction by using heat-induced homogeneous liquid–liquid extraction method

    An environmentally friendly microextraction method which includes determination of trace levels of rhodamine B in cosmetic and detergent samples by...

    Zeliha Erbas, Mustafa Soylak in Journal of the Iranian Chemical Society
    Article 05 May 2022
  2. A gadolinium-based magnetic ionic liquid for dispersive liquid–liquid microextraction

    A hydrophobic gadolinium-based magnetic ionic liquid (MIL) was investigated for the first time as an extraction solvent in dispersive liquid–liquid...

    Mohamed A. Abdelaziz, Fotouh R. Mansour, Neil D. Danielson in Analytical and Bioanalytical Chemistry
    Article 23 October 2020
  3. Accurate and sensitive determination of Sb(III) in water samples using UV–VIS spectrophotometry after simultaneous complexation and preconcentration with deep eutectic solvent/DTZ probe-based liquid–liquid microextraction

    This study describes the determination of trace levels of antimony(III) by UV–Vis spectrophotometer after preconcentration by the deep eutectic...

    Article 13 December 2022
  4. Combination of online hollow fiber liquid phase microextraction with smartphone-based sensing for in situ formaldehyde assay in fabric and wastewater samples

    A miniaturized analytical methodology was introduced based on the combination of a direct and online hollow fiber microextraction method with...

    Salman Javadian, Mohammad Saraji, Ali Shahvar in Microchimica Acta
    Article 14 May 2024
  5. Preparation of new hydrophobic deep eutectic solvents and their application in dispersive liquid–liquid microextraction of Sudan dyes from food samples

    In this work, a new generation of hydrophobic deep eutectic solvents (DESs) was prepared using eugenol (as hydrogen bond donor) and...

    Dandan Ge, Zhizhuo Shan, ... Baoling Wang in Analytical and Bioanalytical Chemistry
    Article 08 May 2021
  6. Dispersive Liquid–Liquid Microextraction of Organic Compounds: An Overview of Reviews

    Abstract

    Dispersive liquid–liquid microextraction (DLLME) is one of the most promising methods of the microextraction preconcentration of organic...

    S. G. Dmitrienko, V. V. Apyari, ... M. V. Gorbunova in Journal of Analytical Chemistry
    Article 02 October 2020
  7. Hydrophobic Eutectic Solvents Based on Perfluorinated Hydrogen Bond Donors as Extractants for Dispersive Liquid–Liquid Microextraction

    In this work, six hydrophobic eutectic solvents composed of menthol, tetrabutylammonium chloride, and tetrahexylammonium chloride as hydrogen-bond...

    Vytautas Kavaliauskas, Vilma Olšauskaitė, Audrius Padarauskas in Chromatographia
    Article 22 January 2022
  8. Novel catalytic degradation of Diazinon with ozonation/mg-Al layered double hydroxides: optimization, modeling, and dispersive liquid–liquid microextraction

    Purpose

    In this study MgAl- layered double hydroxides (MgAl-LDH) nanoparticles were prepared by a simple and fast co-precipitation method and used as...

    Mohammad Malakootian, Yousef Dadban Shahamat, Hakimeh Mahdizadeh in Journal of Environmental Health Science and Engineering
    Article 17 June 2021
  9. Dispersive Liquid–Liquid Microextraction Followed by Solidified Floating Organic Drop for Hexavalent Chromium Determination: a Method for Occupational and Environmental Exposure Monitoring for Heavy Metals

    Abstract

    Dispersive liquid−liquid microextraction solidified floating organic drop ( SFOD−DLLME ) technique was used for sample treatment and...

    Yasaman Pourbakhshi, Mahmoud Heidari, ... Elahe Bozorgzadeh in Journal of Analytical Chemistry
    Article 11 June 2021
  10. Application of chemometrics for modeling and optimization of ultrasound-assisted dispersive liquid–liquid microextraction for the simultaneous determination of dyes

    As the world population continues to grow, so does the pollution of water resources. It is, therefore, important to identify ways of reducing...

    Siroos Shojaei, Saeed Shojaei, ... Leila Baharinikoo in npj Clean Water
    Article Open access 29 March 2021
  11. Sensitive Spectrophotometric Determination of U(VI) Ion at Trace Level in Water Samples: A Simple and Rapid Homogenous Solvent-Based/In-Situ Solvent Formation Microextraction Based on Synthesized/Characterized Task-Specific Ionic Liquid

    The preconcentration of uranium VI (U(VI)) at trace levels in some real water and wastewater samples and its determination by spectrophotometry using...

    Mehdi Hosseini, Seyyed Mehdi Khoshfetrat in Journal of Solution Chemistry
    Article 12 June 2024
  12. Cold-induced Homogenous Liquid–Liquid Extraction Performed in a Refrigerated Centrifuge Combined with Deep Eutectic Solvent-based Dispersive Liquid–Liquid Microextraction for the Extraction of Some Endocrine Disrupting Compounds and Hydroxymethylfurfural from Honey Samples

    A cold-induced-homogeneous liquid–liquid extraction method combined with deep eutectic solvent-based dispersive liquid–liquid microextraction has...

    Fatemeh Khani, J. Khandaghi, ... Mohammad Reza Afshar Mogaddam in Food Analytical Methods
    Article 03 May 2021
  13. Extraction of pioglitazone via dispersive liquid–liquid microextraction based on ionic liquids and its measurement in drug samples using high-performance liquid chromatography

    Dispersive liquid–liquid microextraction, based on ionic liquids for pioglitazone extraction in drug samples using high-efficiency liquid...

    Bahare Garmangani, Elmira Ghaderi, Ali Asghar Amiri in Journal of the Iranian Chemical Society
    Article 16 January 2021
  14. Functionalized carbon nanotube-polyaniline composite coating for on-line microextraction on a screw coupled with high performance liquid chromatography to determine opium alkaloids

    A novel and efficient on-line microextraction on a screw coupled with high-performance liquid chromatography with an ultraviolet-visible detector...

    Payam Osooli, Yadollah Yamini, ... Negar Sabahi Moosavi in Microchimica Acta
    Article 10 November 2023
  15. Rapid and Sensitive Quantitation of Inorganic Anions in Olive Oil by Coupling Reversed-Phase Dispersive Liquid–Liquid Microextraction and Ion Chromatography

    A rapid and sensitive method was developed for the preconcentration and quantitation of inorganic anions in virgin olive oil (VOO) by coupling...

    Sahar Rezaeinejad, Payman Hashemi in Food Analytical Methods
    Article 03 July 2021
  16. Development of Deep Eutectic Solvent Based Ferrofluid Liquid Phase Microextraction for the Determination of Ofloxacin in Egg and Milk Samples

    A smart material based on ferrofluid deep eutectic solvents graphene oxide magnetite (MGO-DES FF) was successfully synthesized by adding choline...

    Siti Suraiya Samsudin, Rania Edrees Adam Mohammad, ... Mazidatulakmam Miskam in Food Analytical Methods
    Article 19 February 2024
  17. Determination of phenytoin at trace levels in domestic wastewater and synthetic urine samples by gas chromatography-mass spectrometry after its preconcentration by simple liquid-phase microextraction

    This work presents a sensitive and accurate analytical method for the determination of phenytoin at trace levels in domestic wastewater and synthetic...

    Sezin Erarpat Bodur, Gizem Nur Ayan, ... Sezgin Bakırdere in Environmental Monitoring and Assessment
    Article 15 April 2024
  18. An eco-friendly ultrasound-assisted deep eutectic solvent-based liquid–phase microextraction method for enrichment and quantification of nickel in environmental samples

    An eco-friendly and easy ultrasound-assisted liquid phase microextraction approach using deep eutectic solvent (UA-DES-LPME) was established to...

    Article Open access 02 November 2022
  19. Low Toxicity Liquid Phase Microextraction Using Deep Eutectic Solvent-Based Ferrofluid for Enrichment Polycyclic Aromatic Hydrocarbon in Environmental Samples

    An environmental friendly ferrofluid incorporating hydrophobic deep eutectic solvents derived from fatty acids, specifically caprylic acid,...

    Nur Hidayah Sazali, Mazidatulakmam Miskam, ... Nurul Yani Rahim in Korean Journal of Chemical Engineering
    Article 08 March 2024
  20. Development of dispersive solid-phase microextraction coupled with high-pressure liquid chromatography for the preconcentration and determination of the selected neonicotinoid insecticides

    Neonicotinoid insecticides have raised a lot of societal concerns due to their environmental ubiquity and unique mode of action. Therefore, it is of...

    Ngwako Joseas Waleng, Shirley Kholofelo Selahle, ... Philiswa Nosizo Nomngongo in Journal of Analytical Science and Technology
    Article Open access 18 January 2022
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