Speciation and determination of chromium ions by dispersive micro solid phase extraction using magnetic graphene oxide followed by flame atomic absorption spectrometry

SiO 2 -coated magnetic graphene oxide modified with polypyrrole–polythiophene: A novel and efficient nanocomposite for solid phase extraction of trace amounts of heavy metals

(2017) Karam Molaei et al.   TALANTA

Magnetic Nanoparticles Coated with Ionic Liquid as a Sorbent for Solid Phase Extraction of Chromium(VI) Prior to Its Determination by Electrothermal Atomic Absorption Spectrometry

(2015) Mehdi Karimi et al.   JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY

Speciation analysis of chromium in water samples through sequential combination of dispersive magnetic solid phase extraction using mesoporous amino-functionalized Fe 3 O 4 /SiO 2 nanoparticles and cloud point extraction

(2015) Kristiany Moreira Diniz et al.   MICROCHEMICAL JOURNAL

Dispersive solid phase microextraction with magnetic graphene oxide as the sorbent for separation and preconcentration of ultra-trace amounts of gold ions

(2015) Elahe Kazemi et al.   TALANTA

Dispersive Micro Solid-Phase Extraction with Graphene Oxide for the Determination of Phenolic Compounds in Dietary Supplements by Ultra High Performance Liquid Chromatography Coupled with Quadrupole Time-of-Flight Tandem Mass Spectrometry

(2014) Shuai-Shuai Hu et al.   Food Analytical Methods

Magnetic nanoparticles-nylon 6 composite for the dispersive micro solid phase extraction of selected polycyclic aromatic hydrocarbons from water samples

(2014) Emilia M. Reyes-Gallardo et al.   JOURNAL OF CHROMATOGRAPHY A

Three-dimensional magnetic graphene oxide foam/Fe3O4 nanocomposite as an efficient absorbent for Cr(VI) removal

(2014) Yinlin Lei et al.   JOURNAL OF MATERIALS SCIENCE

Study of cross-linked poly(methacrylic acid) and polyvinylimidazole as selective adsorbents for on-line preconcentration and redox speciation of chromium with flame atomic absorption spectrometry determination

(2014) Marcela Zanetti Corazza et al.   MICROCHEMICAL JOURNAL

Microextraction Techniques Coupled to Liquid Chromatography with Mass Spectrometry for the Determination of Organic Micropollutants in Environmental Water Samples

(2014) Mª Padrón et al.   MOLECULES

Dispersive micro solid-phase extraction using multiwalled carbon nanotubes combined with portable total-reflection X-ray fluorescence spectrometry for the determination of trace amounts of Pb and Cd in water samples

(2013) Karina Kocot et al.   JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY

Selective and sensitive speciation analysis of Cr(VI) and Cr(III) in water samples by fiber optic-linear array detection spectrophotometry after ion pair based-surfactant assisted dispersive liquid–liquid microextraction

(2013) Seyedeh Mahboobeh Yousefi et al.   JOURNAL OF HAZARDOUS MATERIALS

A dispersive liquid–liquid microextraction procedure for UV-Vis spectrophotometric determination of chromium(vi) in water samples

(2012) Michal Alexovič et al.   Analytical Methods

Fe3O4@ZrO2 nanoparticles magnetic solid phase extraction coupled with flame atomic absorption spectrometry for chromium(III) speciation in environmental and biological samples

(2012) Yi-Wei Wu et al.   APPLIED SURFACE SCIENCE

Dispersive micro-solid phase extraction with ionic liquid-modified silica for the determination of organophosphate pesticides in water by ultra performance liquid chromatography

(2012) Francisco Galán-Cano et al.   MICROCHEMICAL JOURNAL

Selective extraction and preconcentration of chromium using Moringa oleifera husks as biosorbent and flame atomic absorption spectrometry

(2012) Vanessa N. Alves et al.   MICROCHEMICAL JOURNAL

Preconcentration procedures for the determination of chromium using atomic spectrometric techniques: A review

(2012) Xiaowei Zhao et al.   Open Chemistry

Separation, preconcentration and speciation of chromium by solid phase extraction on immobilised ferron

(2011) Shayessteh Dadfarnia et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

Salt-assisted liquid-liquid microextraction of Cr(VI) ion using an ionic liquid for preconcentration prior to its determination by flame atomic absorption spectrometry

(2011) Behrooz Majidi et al.   MICROCHIMICA ACTA

Tea-industry waste activated carbon, as a novel adsorbent, for separation, preconcentration and speciation of chromium

(2010) Celal Duran et al.   ANALYTICA CHIMICA ACTA

Development of a coprecipitation system for the speciation/preconcentration of chromium in tap waters

(2009) Aslıhan Karatepe et al.   JOURNAL OF HAZARDOUS MATERIALS

Speciation of chromium in water samples using dispersive liquid–liquid microextraction and flame atomic absorption spectrometry

(2009) Payam Hemmatkhah et al.   MICROCHIMICA ACTA

Solid phase extraction method for the determination of iron, lead and chromium by atomic absorption spectrometry using Amberite XAD-2000 column in various water samples

(2007) Latif Elci et al.   JOURNAL OF HAZARDOUS MATERIALS

A novel solid phase extraction procedure on Amberlite XAD-1180 for speciation of Cr(III), Cr(VI) and total chromium in environmental and pharmaceutical samples

(2007) Ibrahim Narin et al.   JOURNAL OF HAZARDOUS MATERIALS

Chromium speciation by solid phase extraction on Dowex M 4195 chelating resin and determination by atomic absorption spectrometry

(2007) K SAYGI et al.   JOURNAL OF HAZARDOUS MATERIALS

Speciation determination of chromium(III) and (VI) using preconcentration cloud point extraction with flame atomic absorption spectrometry (FAAS)

(2007) K. Kiran et al.   JOURNAL OF HAZARDOUS MATERIALS