Solid phase extraction and preconcentration of Cu(II), Pb(II), and Ni(II) in environmental samples on chemically modified Amberlite XAD-4 with a proper Schiff base

On-line metals preconcentration and simultaneous determination using cloud point extraction and inductively coupled plasma optical emission spectrometry in water samples

(2008) Yadollah Yamini et al.   ANALYTICA CHIMICA ACTA

Determination of trace lead in biological and water samples with dispersive liquid–liquid microextraction preconcentration

(2008) Pei Liang et al.   ANALYTICAL BIOCHEMISTRY

On-line preconcentration using a resin functionalized with 3,4-dihydroxybenzoic acid for the determination of trace elements in biological samples by thermospray flame furnace atomic absorption spectrometry

(2008) Valfredo A. Lemos et al.   JOURNAL OF HAZARDOUS MATERIALS

5-Chloro-2-hydroxyaniline–copper(II) coprecipitation system for preconcentration and separation of lead(II) and chromium(III) at trace levels

(2008) Mustafa Tuzen et al.   JOURNAL OF HAZARDOUS MATERIALS

On-line preconcentration of copper as its pyrocatechol violet complex on Chromosorb 105 for flame atomic absorption spectrometric determinations

(2008) Berrin Buke et al.   JOURNAL OF HAZARDOUS MATERIALS

Determination of trace heavy metals in soil and sediments by atomic spectrometry following preconcentration with Schiff bases on Amberlite XAD-4

(2008) Derya Kara et al.   JOURNAL OF HAZARDOUS MATERIALS

Multi-element coprecipitation for separation and enrichment of heavy metal ions for their flame atomic absorption spectrometric determinations

(2008) Mustafa Tuzen et al.   JOURNAL OF HAZARDOUS MATERIALS

Graphite furnace and hydride generation atomic absorption spectrometric determination of cadmium, lead, and tin traces in natural surface waters: Study of preconcentration technique performance

(2008) George Z. Tsogas et al.   JOURNAL OF HAZARDOUS MATERIALS

Simultaneous preconcentration of Co(II), Ni(II), Cu(II), and Cd(II) from environmental samples on Amberlite XAD-2000 column and determination by FAAS

(2008) Celal Duran et al.   JOURNAL OF HAZARDOUS MATERIALS

Application of cotton as a solid phase extraction sorbent for on-line preconcentration of copper in water samples prior to inductively coupled plasma optical emission spectrometry determination

(2008) Mohammad Faraji et al.   JOURNAL OF HAZARDOUS MATERIALS

Solid phase extraction of copper (II) by sorption on octadecyl silica membrane disk modified with a new Schiff base and determination with atomic absorption spectrometry

(2008) Mohammad Hossein Mashhadizadeh et al.   SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

Application of a metal ion-imprinted polymer based on salen–Cu complex to flow injection preconcentration and FAAS determination of copper

(2008) Stanisław Walas et al.   TALANTA

Use of aminoprophyl silica-immobilized humic acid for Cu(II) ions removal from aqueous solution by using a continuously monitored solid phase extraction technique in a column arrangement

(2007) Huseyin Kara et al.   COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS

Solid phase extraction of chromium(VI) from aqueous solutions by adsorption of its diphenylcarbazide complex on an Amberlite XAD-4 resin column

(2007) N. Rajesh et al.   JOURNAL OF HAZARDOUS MATERIALS

Flow injection preconcentration system using a new functionalized resin for determination of cadmium and nickel in tobacco samples

(2007) Valfredo Azevedo Lemos et al.   JOURNAL OF HAZARDOUS MATERIALS