Simultaneous derivatization and microextraction of parabens in different matrices followed by GC-FID

Simultaneous derivatisation and preconcentration of parabens in food and other matrices by isobutyl chloroformate and dispersive liquid–liquid microextraction followed by gas chromatographic analysis

(2013) Rajeev Jain et al.   FOOD CHEMISTRY

Air-assisted liquid–liquid microextraction-gas chromatography-flame ionisation detection: A fast and simple method for the assessment of triazole pesticides residues in surface water, cucumber, tomato and grape juices samples

(2013) Mir Ali Farajzadeh et al.   FOOD CHEMISTRY

Simultaneous derivatization and air-assisted liquid-liquid microextraction of some parabens in personal care products and their determination by GC with flame ionization detection

(2013) Mir Ali Farajzadeh et al.   JOURNAL OF SEPARATION SCIENCE

Rapid determination of parabens in personal care products by stable isotope GC-MS/MS with dynamic selected reaction monitoring

(2013) Perry G. Wang et al.   JOURNAL OF SEPARATION SCIENCE

Gas chromatographic determination of parabens afterin-situderivatization and dispersive liquid-liquid microextraction

(2012) A. Prichodko et al.   ACTA CHROMATOGRAPHICA

Air-assisted liquid–liquid microextraction method as a novel microextraction technique; Application in extraction and preconcentration of phthalate esters in aqueous sample followed by gas chromatography–flame ionization detection

(2012) Mir Ali Farajzadeh et al.   ANALYTICA CHIMICA ACTA

Determination of biocides in different environmental matrices by use of ultra-high-performance liquid chromatography–tandem mass spectrometry

(2012) Zhi-Feng Chen et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Rapid Determination of 10 Parabens in Spices by High Performance Liquid Chromatography-Mass Spectrometry

(2012) Jinling Lv et al.   ANALYTICAL LETTERS

A simple solvent collection technique for a dispersive liquid-liquid microextraction of parabens from aqueous samples using low-density organic solvent

(2012) Hasan Çabuk et al.   JOURNAL OF SEPARATION SCIENCE

Isocratic liquid chromatographic determination of three paraben preservatives in hygiene wipes using a reversed phase core-shell narrow-bore column

(2012) Paraskevas Tzanavaras et al.   Open Chemistry

Determination of parabens and endocrine-disrupting alkylphenols in soil by gas chromatography–mass spectrometry following matrix solid-phase dispersion or in-column microwave-assisted extraction: a comparative study

(2011) R. A. Pérez et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Application of ethyl chloroformate derivatization for solid-phase microextraction–gas chromatography–mass spectrometric determination of bisphenol-A in water and milk samples

(2011) Mohana Krishna Reddy Mudiam et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Stir bar sorptive extraction of parabens, triclosan and methyl triclosan from soil, sediment and sludge with in situ derivatization and determination by gas chromatography–mass spectrometry

(2011) Ana María Casas Ferreira et al.   JOURNAL OF CHROMATOGRAPHY A

SIMULTANEOUS DETERMINATION OF PARABENS IN PHARMACEUTICAL PREPARATIONS USING HIGH-PERFORMANCE THIN-LAYER CHROMATOGRAPHY AND IMAGE ANALYSIS

(2011) Dorina Casoni et al.   JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES

Fully automated determination of parabens, triclosan and methyl triclosan in wastewater by microextraction by packed sorbents and gas chromatography–mass spectrometry

(2010) Iria González-Mariño et al.   ANALYTICA CHIMICA ACTA

GC-MS determination of parabens, triclosan and methyl triclosan in water by in situ derivatisation and stir-bar sorptive extraction

(2010) Ana María Casas Ferreira et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

In-sample acetylation-non-porous membrane-assisted liquid–liquid extraction for the determination of parabens and triclosan in water samples

(2010) Eugenia Villaverde-de-Sáa et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

DLLME Combined with GC–MS for the Determination of Methylparaben, Ethylparaben, Propylparaben and Butylparaben in Beverage Samples

(2010) Yi Han et al.   CHROMATOGRAPHIA

LC-determination of five paraben preservatives in saliva and toothpaste samples using UV detection and a short monolithic column

(2010) Anastasia Zotou et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Use of a capillary tube for collecting an extraction solvent lighter than water after dispersive liquid–liquid microextraction and its application in the determination of parabens in different samples by gas chromatography—Flame ionization detection

(2010) M.A. Farajzadeh et al.   TALANTA

Application of surfactant assisted dispersive liquid–liquid microextraction for sample preparation of chlorophenols in water samples

(2010) Morteza Moradi et al.   TALANTA

Combination of off-line solid-phase extraction and on-column sample stacking for sensitive determination of parabens and p-hydroxybenzoic acid in waters by non-aqueous capillary electrophoresis

(2009) Eva Blanco et al.   ANALYTICA CHIMICA ACTA

Trace analysis of parabens, triclosan and related chlorophenols in water by headspace solid-phase microextraction with in situ derivatization and gas chromatography–tandem mass spectrometry

(2009) Jorge Regueiro et al.   JOURNAL OF CHROMATOGRAPHY A

Single-drop microextraction followed by in-syringe derivatization and GC-MS detection for the determination of parabens in water and cosmetic products

(2009) Mohammad Saraji et al.   JOURNAL OF SEPARATION SCIENCE

Simultaneous determination of parabens, triclosan and triclocarban in water by liquid chromatography/electrospray ionisation tandem mass spectrometry

(2009) Iria González-Mariño et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Ultrasound-assisted emulsification–microextraction of phenolic preservatives in water

(2009) Jorge Regueiro et al.   TALANTA

Molecularly imprinted polymer for the extraction of parabens from environmental solid samples prior to their determination by high performance liquid chromatography–ultraviolet detection

(2009) L. Núñez et al.   TALANTA

Vortex-assisted liquid–liquid microextraction of octylphenol, nonylphenol and bisphenol-A

(2009) Evangelia Yiantzi et al.   TALANTA

Separation and determination of ketoprofen, methylparaben and propylparaben in pharmaceutical preparation by micellar electrokinetic chromatography

(2008) Jiří Šafra et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS