Micro and Nano Engineering, 2022 In this study, an application of novel polymer-based microfluidic channels for preconcentration and detection of methane gas is investigated. Poly (methyl methacrylate) (PMMA) microfluidic channel is filled by graphene oxide (GO) as a new adsorbent for ...
Mohammad Ramezannezhad +3 more
doaj +1 more source
Gas/Liquid and Liquid/Liquid Solvent Extraction in Flow Analysis with the Chromatomembrane Cell
Sensors, 2006 Since twelve years the Chromatomembrane Cell has been proposed as a new andversatile device for extraxtion procedures in the flow based analysis. In the meantime aremarkable number of papers was submitted dealing with applications of the novel methodto ...
Juergen Simon, Leonid N. Moskvin
doaj +1 more source
Acta Chimica Slovenica, 2020 A multielement preconcentration procedure based Fe3O4 magnetic nanoparticles coated with polythiophene(Fe3O4@PTh MNPs) as a solid phase was reported for Cu(II), Co(II), Cd(II), Ni(II) and Zn(II) ions.
Nilgün Elyas Sodan +3 more
doaj +1 more source
MANAS: Journal of Engineering, 2023 Hazelnut shell biosorbent immobilized on Amberlite XAD-4 polymer resin as solid phase extraction method was developed and used for preconcentration of Cu(II) and Cd(II) ions from aqueous solutions.
Orhan Acar +4 more
doaj +1 more source
Synthesis and application of hypercrosslinked polymers with weak cation-exchange character for the selective extraction of basic pharmaceuticals from complex environmental water samples [PDF]
, 2010 The synthesis of high specific surface area sorbents (HXLPP-WCX) in the form of hypercrosslinked polymer microspheres with narrow particle size distributions, average particle diameters around 6 µm, and weak cation exchange (WCX) character, is described.
Borrull, F. +5 more
core +1 more source
Coupled Extraction/Re-Extraction Method for the Chemical Speciation of Nickel in NaturalWaters [PDF]
, 2020 Chemical fractionation and speciation of metals species in natural waters and its relation with bioavailability have received increased attention in recent years.
Mendiguchía Martínez, Carolina +2 more
core +2 more sources
, 2017 This paper studies mechanism of preconcentration of charged particles in a straight micro-channel embedded with permselective membranes, by numerically solving coupled transport equations of ions, charged particles and solvent fluid without any ...
Gu, Yuantong +5 more
core +1 more source
Hg(II) trace electrochemical detection on gold electrode: Evidence for chloride adsorption as the responsible for the broad baseline [PDF]
, 2013 Investigations were performed in order to clarify the origin of the broad baseline observed during Hg(II) trace electrochemical detection on gold electrode in the presence of Cl- anions.
Behra, Philippe +4 more
core +3 more sources
Spectrophotometric determination of trace iron(III) in natural water after its preconcentration with a chelating resin [PDF]
Journal of the Serbian Chemical Society, 2002 A method for the determination of Fe(III) at trace levels is described. Thus, prior to the spectrophotometric determination, a preconcentration of the trace amounts of iron(III) using a chelate forming resin is proposed.
ELEONORA-ANA NEAGU, ZENOVIA MOLDOVAN
doaj
Influence of the gold nanoparticles electrodeposition method on Hg(II) trace electrochemical detection [PDF]
, 2012 Gold nanoparticles (AuNPs) were deposited on Glassy Carbon (GC) substrate by using three electrochemical techniques: Cyclic Voltammetry (CV), Chronoamperometry (CA) and Potentiostatic Double-Pulse (PDP).
Behra, Philippe +5 more
core +2 more sources