Results 101 to 110 of about 10,964 (180)

Dispersive Liquid-Liquid Microextraction in the Analysis of Milk and Dairy Products: A Review

open access: yesJournal of Chemistry, 2016
Dispersive liquid-liquid microextraction (DLLME) is an extraction technique developed within the last decade, which involves the dispersion of fine droplets of extraction solvent in an aqueous sample. Partitioning of analytes into the extraction phase is
Andrew Quigley   +2 more
doaj   +1 more source

Sodium benzoate and potassium sorbate preservatives in food stuffs in Iran [PDF]

open access: yes, 2015
A high-performance liquid chromatography method was applied for the determination of the levels of benzoate and sorbate in 400 food samples, including pickled cucumbers, canned tomato pastes, sour cherry jams, soft drinks, fruit juices and dairy products
Akbari Azam, M.   +4 more
core  

Natural deep eutectic solvents and natural solid biosorbents in microextraction techniques of organic compounds based on chromatographic techniques: A critical review

open access: yesAdvances in Sample Preparation
Analytical chemistry has increasingly focused on the environmental impact of its methods, with significant attention given to green principles in sample preparation. Techniques like Solid-Phase Microextraction (SPME), Micro-Solid-Phase Extraction (µ-SPE),
Eduardo Carasek   +4 more
doaj   +1 more source

Trends in extraction and purification methods of Lignans in plant-derived foods

open access: yesFood Chemistry: X
Lignans are widely used as dietary supplements within health foods. However, excess addition of lignans can induce adverse reactions, therefore, it is necessary to develop rapid, effective, economical, and environmentally friendly extraction and ...
Yu-tong Yang   +4 more
doaj   +1 more source

Multi-walled carbon nanotubes modified with iron oxide and silver nanoparticles (MWCNT-Fe3O4/Ag) as a novel adsorbent for determining PAEs in carbonated soft drinks using magnetic SPE-GC/MS method [PDF]

open access: yes, 2018
The synthesis of compounds with an excellent adsorption capability plays an essential role to remove contaminants such as phthalic acid esters (PAEs) with potential carcinogenic characteristics from different food products. In this context, for the first
Ahmadloo, M.   +13 more
core  

Emulsive Liquid–Liquid Microextraction for the Determination of Phthalic Acid Esters in Environmental Water Samples

open access: yesMolecules
A convenient, rapid, and environmentally friendly method, emulsive liquid–liquid microextraction combined with high-performance liquid chromatography, was established to determine phthalic acid esters in tap, river, lake, and sea water.
Xinyuan Bi   +6 more
doaj   +1 more source

In-syringe dispersive liquid-liquid microextraction with liquid chromatographic determination of synthetic pyrethroids in surface water

open access: yesJournal of Analytical Science and Technology, 2012
An indigenously fabricated in laboratory glass syringe was used for in-syringe dispersive liquid-liquid microextraction (is-DLLME) and preconcentration of synthetic pyrethroids (SPs) from surface waters suitable for their determination by high ...
Saeed S. Albaseer   +3 more
doaj  

Dispersive liquid-liquid microextraction and liquid chromatographic determination of pentachlorophenol in water

open access: yesOpen Chemistry, 2009
Farhadi Khalil   +3 more
doaj   +1 more source

Solid Dispersant-Based Dispersive Liquid–Liquid Microextraction for Determining Triazine Herbicides in Environmental Water Samples

open access: yesSeparations
An innovative dispersive liquid–liquid microextraction technique utilizing a solid dispersion was established for the quantification of triazine herbicides in environmental water samples.
Bin Hao   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy