Results 81 to 90 of about 10,964 (180)

Recent Advances in Applications of Ionic Liquids in Miniaturized Microextraction Techniques

open access: yesMolecules, 2018
Green sample preparation is one of the most challenging aspects in green analytical chemistry. In this framework, miniaturized microextraction techniques have been developed and are widely performed due to their numerous positive features such as ...
Maria Kissoudi, Victoria Samanidou
doaj   +1 more source

Determination of rare earth elements in natural water samples – A review of sample separation, preconcentration and direct methodologies [PDF]

open access: yes, 2016
publisher: Elsevier articletitle: Determination of rare earth elements in natural water samples – A review of sample separation, preconcentration and direct methodologies journaltitle: Analytica Chimica Acta articlelink: http://dx.doi.org/10.1016/j.aca ...
Fisher, A, Kara, D
core   +2 more sources

Capillary Zone Electrophoresis for the Analysis of Phenolic Preservatives in Plasma and Insulin Formulations Using Salting‐Out Assisted Liquid–Liquid Extraction

open access: yesELECTROPHORESIS, Volume 47, Issue 4, Page 308-319, April 2026.
A rapid and reliable SALLE–CZE–UV method was developed for the determination of phenolic preservatives in insulin formulations and human plasma. The approach provides efficient extraction, fast separation (< 6 min), and excellent sensitivity, precision, and recovery, meeting regulatory requirements for accurate quantification.
Meriem Dadouch   +2 more
wiley   +1 more source

Advanced Analytical Microextraction Techniques and There Applications: A Review [PDF]

open access: yes, 2016
In recent years, substantial research has been devoted to the development of new liquid-liquid microextraction methods for sample preparation. These microextration methods were performed by several techniques such as: liquid-phase microextraction (LPME ...
Belay, Kassa
core   +1 more source

Scientific Substantiation of the Methodology of Preparation of Quince Japanese for Analysis and Investigation of Consumer Properties of the Products of Its Recycling [PDF]

open access: yes, 2019
The aim of the study is a scientific substantiation of the methodology of quince Japanese for analyzing and investigating consumer properties of its recycling products.
Lisnichenko, O. (Olena)   +3 more
core   +3 more sources

Measurement of Chloroform in Swimming Pools' Waters and Swimmers’ Blood

open access: yesIranian Journal of Public Health, 2009
Background: A new microextraction method named dispersive liquid-liquid microextraction (DLLME) for determination of chloroform in pool water and blood of swimmers after swimming is described.
S Shegefti, H Sereshti, S Samadi
doaj  

Applications of Liquid-Phase Microextraction in the Sample Preparation of Environmental Solid Samples

open access: yesMolecules, 2014
Solvent extraction remains one of the fundamental sample preparation techniques in the analysis of environmental solid samples, but organic solvents are toxic and environmentally harmful, therefore one of the possible greening directions is its ...
Helena Prosen
doaj   +1 more source

Analytical methodologies for the determination of pharmaceuticals and personal care products (PPCPs) in sewage sludge: A critical review [PDF]

open access: yes, 2019
Producción CientíficaSeveral analytical approaches have been developed for the determination of emerging pollutants (EPs), including pharmaceuticals and personal care products (PPCPs) in environmental matrices. This paper reviews the sample preparation
Barrado Esteban, Enrique   +3 more
core   +2 more sources

Surfactant-Modified Dispersive Liquid–Liquid Microextraction for the Determination of Salbutamol or Dapsone via Reciprocal Derivatization

open access: yesIndonesian Journal of Chemistry
Salbutamol (SAL) and dapsone (DPSN) derivatization reactions and analysis procedures were established and improved in this study. SAL was used as a derivatization agent for DPSN, and DPSN was a derivatization agent for SAL.
Bahaa Malik Altahir   +2 more
doaj   +1 more source

Atmospheric pressure gas chromatography-time-of-flight-mass spectrometry (APGC-ToF-MS) for the determination of regulated and emerging contaminants in aqueous samples after stir bar sorptive extraction (SBSE) [PDF]

open access: yes, 2014
This work presents the development, optimization and validation of a multi-residue method for the simultaneous determination of 102 contaminants, including fragrances, UV filters, repellents, endocrine disruptors, biocides, polycyclic aromatic ...
Arbulu   +38 more
core   +2 more sources

Home - About - Disclaimer - Privacy