Ultrasound-Assisted Dispersive Microsolid-Phase Extraction for Preconcentration of Trace Cobalt and Nickel in Environmental Samples Prior to their Determination by Flame Atomic Absorption Spectrometry

Ultrasound-assisted dispersive microsolid-phase extraction approach for preconcentration of trace cobalt and nickel and sensitive determination in water, food and tobacco samples by flame atomic absorption spectrometry

(2021) Ayman A. Gouda et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

Development of a liquid-nitrogen-induced homogeneous liquid–liquid microextraction of Co(II) and Ni(II) from water and fruit juice samples followed by atomic absorption spectrometry detection

(2020) Tohid Okhravi et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Coprecipitation magnesium(II) hydroxide as a strategy of pre-concentration for trace elemental determination by microwave-induced plasma optical emission spectrometry

(2020) Luana S. Moreira et al.   SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

Magnetic dispersive micro-solid phase extraction merged with micro-sampling flame atomic absorption spectrometry using (Zn-Al LDH)-(PTh/DBSNa)-Fe3O4 nanosorbent for effective trace determination of nickel(II) and cadmium(II) in food samples

(2020) Maryam Rajabi et al.   MICROCHEMICAL JOURNAL

Extraction and ICP-OES determination of heavy metals using tetrabutylammonium bromide aqueous biphasic system and oleophilic collector

(2020) Svetlana V. Smirnova et al.   TALANTA

Ultrasound assisted ion pair based surfactant-enhanced liquid–liquid microextraction with solidification of floating organic drop combined with flame atomic absorption spectrometry for preconcentration and determination of nickel and cobalt ions in vegetable and herb samples

(2019) Çiğdem Arpa et al.   FOOD CHEMISTRY

Implementation of an ultrasonic assisted dispersive μ-solid phase extraction method for trace analysis of lead in aqueous and urine samples

(2019) Hamid Reza Sobhi et al.   MICROCHEMICAL JOURNAL

Fast and sensitive determination of heavy metal ions as batophenanthroline chelates in food and water samples after dispersive micro-solid phase extraction using graphene oxide as sorbent

(2019) Barbara Feist et al.   MICROCHEMICAL JOURNAL

Deep eutectic solvent microextraction of lead(II), cobalt(II), nickel(II) and manganese(II) ions for the separation and preconcentration in some oil samples from Turkey prior to their microsampling flame atomic absorption spectrometric determination

(2019) Mustafa Soylak et al.   MICROCHEMICAL JOURNAL

Development of dispersive liquid-liquid microextraction based on deep eutectic solvent using as complexing agent and extraction solvent: application for extraction of heavy metals

(2019) Saeed Mohammad Sorouraddin et al.   SEPARATION SCIENCE AND TECHNOLOGY

Simultaneous Spectrometric Determination of Cu(II), Co(II), and Ni(II) in Pharmaceutical and Environmental Samples with XAD-4/DMMDTC Solid-Phase Extraction System

(2019) Berrin Topuz   BIOLOGICAL TRACE ELEMENT RESEARCH

Needle hub in-syringe solid phase extraction based a novel functionalized biopolyamide for simultaneous green separation/preconcentration and determination of cobalt, nickel, and chromium (III) in food and environmental samples with micro sampling flame atomic absorption spectrometry

(2019) Mahboube Shirani et al.   MICROCHEMICAL JOURNAL

Preconcentration and Determination of Trace Nickel and Cobalt in Milk-Based Samples by Ultrasound-Assisted Cloud Point Extraction Coupled with Flame Atomic Absorption Spectrometry

(2018) Nuket Kartal Temel et al.   BIOLOGICAL TRACE ELEMENT RESEARCH

Activated carbon cloth filled pipette tip for solid phase extraction of nickel(II), lead(II), cadmium(II), copper(II) and cobalt(II) as 1,3,4-thiadiazole-2,5-dithiol chelates for ultra-trace detection by FAAS

(2018) Mohamed A. Habila et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

In-syringe solvent-assisted dispersive solid phase extraction followed by flame atomic absorption spectrometry for determination of nickel in water and food samples

(2018) Jamshid Mofid Nakhaei et al.   MICROCHEMICAL JOURNAL

Development of a Method for Determination of Buckwheat Allergens Using Liquid Chromatography with Tandem Mass Spectrometry

(2017) Hiroyuki Nagai   JOURNAL OF AOAC INTERNATIONAL

Selective dispersive micro solid-phase extraction using oxidized multiwalled carbon nanotubes modified with 1,10-phenanthroline for preconcentration of lead ions

(2016) Barbara Feist   FOOD CHEMISTRY

A new chelating reagent and application for coprecipitation of some metals in food samples by FAAS

(2016) Esra Yıldız et al.   FOOD CHEMISTRY

Impregnated multiwalled carbon nanotubes as efficient sorbent for the solid phase extraction of trace amounts of heavy metal ions in food and water samples

(2016) Ayman A. Gouda et al.   FOOD CHEMISTRY

Multiwalled carbon nanotubes as solid sorbent in dispersive micro solid-phase extraction for the sequential determination of cadmium and lead in water samples

(2016) Magdalena Krawczyk et al.   MICROCHEMICAL JOURNAL

Analytical approaches for the determination of cobalt, nickel and copper by aeration-assisted homogeneous liquid–liquid microextraction and flame atomic absorption spectrometry

(2016) Neda Khorshidi et al.   SEPARATION SCIENCE AND TECHNOLOGY

A new coprecipitation method without carrier element for separation and preconcentration of some metal ions at trace levels in water and food samples

(2016) Ayman A. Gouda   TALANTA

Development of cloud-point extraction method for preconcentration of trace quantities of cobalt and nickel in water and food samples

(2016) Ayman A. Gouda et al.   RSC Advances

A Simple Organic Solvent-Free Liquid-Liquid Microextraction Method for the Determination of Potentially Toxic Metals as 2-(5-Bromo-2-pyridylazo)-5-(diethylamino)phenol Complex from Food and Biological Samples

(2015) Behruz Barfi et al.   BIOLOGICAL TRACE ELEMENT RESEARCH

Solid phase extraction of metal ions in environmental samples on 1-(2-pyridylazo)-2-naphthol impregnated activated carbon cloth

(2015) Zeid A. Alothman et al.   ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY

Separation and preconcentration of lead(II), cobalt(II), and nickel(II) on EDTA immobilized activated carbon cloth prior to flame atomic absorption spectrometric determination in environmental samples

(2015) Zeid Abdullah ALOTHMAN et al.   TURKISH JOURNAL OF CHEMISTRY

Triethylenetetramine modified multiwalled carbon nanotubes for the efficient preconcentration of Pb(ii), Cu(ii), Ni(ii) and Cd(ii) before FAAS detection

(2015) Zeid A. ALOthman et al.   RSC Advances

Solid phase extraction of Cu (II), Ni (II), Co (II), and Fe (III) ions in water samples using salicylaldehyde benzoylhydrazone on Amberlite XAD-4 and their determinations by flame atomic absorption spectrometry

(2015) Güzin Alpdoğan   TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY

A membrane filtration procedure for the enrichment, separation, and flame atomic absorption spectrometric determinations of some metals in water, hair, urine, and fish samples

(2014) Z.A. Alothman et al.   Desalination and Water Treatment

Solid phase extraction of Cd, Pb, Ni, Cu, and Zn in environmental samples on multiwalled carbon nanotubes

(2014) Erkan Yilmaz et al.   ENVIRONMENTAL MONITORING AND ASSESSMENT

Solid-phase extraction using multiwalled carbon nanotubes and quinalizarin for preconcentration and determination of trace amounts of some heavy metals in food, water and environmental samples

(2014) Ayman A. Gouda   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

Preconcentration of heavy metals on activated carbon and their determination in fruits by inductively coupled plasma optical emission spectrometry

(2013) Barbara Feist et al.   FOOD CHEMISTRY

Simultaneous preconcentration and determination of nickel and cobalt using functionalised mesoporous silica spheres by ICP-OES

(2013) Maria Sadia et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

An ICP-MS procedure to determine Cd, Co, Cu, Ni, Pb and Zn in oceanic waters using in-line flow-injection with solid-phase extraction for preconcentration

(2013) Jeanette E. O'Sullivan et al.   TALANTA

Carbon nanotubes as solid-phase extraction sorbents prior to atomic spectrometric determination of metal species: A review

(2012) C. Herrero Latorre et al.   ANALYTICA CHIMICA ACTA

Determination of Some Trace Elements in Food and Soil Samples by Atomic Absorption Spectrometry After Coprecipitation with Holmium Hydroxide

(2012) Sibel Saracoglu et al.   JOURNAL OF AOAC INTERNATIONAL

Solid phase extraction of Cd(II), Pb(II), Zn(II) and Ni(II) from food samples using multiwalled carbon nanotubes impregnated with 4-(2-thiazolylazo)resorcinol

(2012) Zeid A. ALOthman et al.   MICROCHIMICA ACTA

Multivariate optimization of cloud point extraction for the simultaneous spectrophotometric determination of cobalt and nickel in water samples

(2011) Morteza Bahram et al.   Analytical Methods

Determination of some heavy metals in food and environmental samples by flame atomic absorption spectrometry after coprecipitation

(2011) Mustafa Soylak et al.   FOOD AND CHEMICAL TOXICOLOGY

Solid phase extraction on multiwalled carbon nanotubes and flame atomic absorption spectrometry combination for determination of some metal ions in environmental and food samples

(2011) M. Soylak et al.   TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY

Sorbent extraction of 4-(2-thiazolylazo) resorcinol (TAR)–metal chelates on Diaion SP-850 adsorption resin in order to preconcentration/separation

(2010) Mustafa Soylak et al.   JOURNAL OF HAZARDOUS MATERIALS

Preconcentration and separation of copper, nickel and zinc in aqueous samples by flame atomic absorption spectrometry after column solid-phase extraction onto MWCNTs impregnated with D2EHPA-TOPO mixture

(2010) S. Vellaichamy et al.   JOURNAL OF HAZARDOUS MATERIALS

Determination of Ni(II) in metal alloys by spectrophotometry UV-Vis using dopasemiquinone

(2010) Wagner José Barreto et al.   QUIMICA NOVA

Simultaneous coprecipitation of lead, cobalt, copper, cadmium, iron and nickel in food samples with zirconium(IV) hydroxide prior to their flame atomic absorption spectrometric determination

(2009) Demirhan Citak et al.   FOOD AND CHEMICAL TOXICOLOGY

Preconcentration of some trace elements via using multiwalled carbon nanotubes as solid phase extraction adsorbent

(2009) Ali Duran et al.   JOURNAL OF HAZARDOUS MATERIALS

Flame atomic absorption spectrometric determination of trace amounts of cobalt after cloud point extraction as 2-[(2-Mercaptophenylimino)methyl]phenol complex

(2009) Neda Baghban et al.   JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY

Cloud point extraction for the determination of copper, nickel and cobalt ions in environmental samples by flame atomic absorption spectrometry

(2007) M. Ghaedi et al.   JOURNAL OF HAZARDOUS MATERIALS