Analytical chemistry
In-situ preconcentration, and electrochemical sensing of zinc(II) and copper(II) based on ionic liquid mediated hollow fiber-modified pencil graphite electrode using response surface methodology

Ghobad Mansouri; Mohammd Bagher Gholivand; Zarrin Eshaghi

Volume 8, Issue 1 , January 2020, , Pages 24-41

https://doi.org/10.30473/icc.2019.40174.1429

Abstract
  A single-use electrochemical sensor using ionic liquid mediated hollow fiber-graphite working electrode was fabricated for the first time. The screening tool was developed by coupling this electrode with differential pulse voltammetry (DPV) for in-situ pre-concentration and determination of Zn(II) and ...  Read More

In-situ preconcentration, and electrochemical sensing of zinc(II) and copper(II) based on ionic liquid mediated hollow fiber-modified pencil graphite electrode using response surface methodology


Analytical chemistry
Simultaneous determination of sunset yellow and tartrazine in soft drinks samples using nanocrystallites of spinel ferrite- modified electrode

Masoumeh Taei; Hossein Salavati; Masoud Fouladgar; Elmira Abbaszadeha

Volume 8, Issue 1 , January 2020, , Pages 67-79

https://doi.org/10.30473/icc.2019.45932.1543

Abstract
  The ZnCrFeO4 nanoparticles were synthesized as antiferromagnetic material using sol-gel method. The X-ray diffraction (XRD) analysis and transmission electron microscopy (TEM) certified that ZnCrFeO4 nanoparticles have single-phase cubic structure with a range of 50–100 nm in size. A facile and ...  Read More

Simultaneous determination of sunset yellow and tartrazine in soft drinks samples using nanocrystallites of spinel ferrite- modified electrode


Analytical chemistry
Alumina nanoparticles modified carbon paste electrode as a new voltammetric sensor for determination of dopamine

Roghiyeh Pourghobadi; Mohammad Reza Baezzat

Volume 7, Issue 3, pp. 160-229, Serial No. 24 , July 2019, , Pages 186-195

https://doi.org/10.30473/icc.2018.4143

Abstract
  The present study examines a new dopamine sensor based on Alumina nanoparticles modified carbon paste electrode (Al2O3NPsCPE). Moreover, the present study focuses on the electrochemical act of the Al2O3NPsCPE for the detection of dopamine by cyclic voltammetry (CV) and differential pulse voltammetry ...  Read More

Alumina nanoparticles modified carbon paste electrode as a new voltammetric sensor for determination of dopamine


Analytical chemistry
Disposable single-use electrochemical sensor: A novel hollow fiber based tool for environmental monitoring of cadmium

Fatemeh Moeinpour; Zarrin Eshaghi

Volume 7, Issue 2, pp. 90-159, Serial No. 23 , April 2019, , Pages 126-138

Abstract
  The objective of this study is to design a simple, fast, sensitive and single-use electrode with the simultaneous capability of preconcentration and measuring, for application in a three-electrode voltammetry system to identify and measure the heavy metal cadmium. The design process of this sensor consists ...  Read More

Disposable single-use electrochemical sensor: A novel hollow fiber based tool for environmental monitoring of cadmium


Analytical chemistry
Electrochemical sensing of dopamine in the presence of ascorbic acid using carbon paste electrode modified with molybdenum Schiff base complex/1-butyl-3-methylimidazolium tetrafluoroborate

Hamid Reza Zare-Mehrjardi

Volume 6, Issue 3, pp. 218-324, Serial No. 20 , July 2018, , Pages 300-311

Abstract
  In this paper, the carbon paste electrode (CPE) is modified using an ionic liquid (1-Butyl-3-methylimidazolium tetrafluoroborate, [BMIM]BF4) and the cis-dioxo-bis[3-methoxy-2,2-dimethylpropanediamine] molybdenum(VI) complex (cis-[Mo(O)2L]). In order to study of the electrochemical behavior of ascorbic ...  Read More

Electrochemical sensing of dopamine in the presence of ascorbic acid using carbon paste electrode modified with molybdenum Schiff base complex/1-butyl-3-methylimidazolium tetrafluoroborate


Analytical chemistry
Adsorption of Pb(II) by activated carbon prepared from Melia azedarach fruit: Equilibrium and thermodynamics

Fatemeh Sabermahani; Nosrat Madadi Mahani; Neda Pourgholamrezazadeh

Volume 6, Issue 2, pp. 109-217, Serial No. 19 , April 2018, , Pages 148-159

Abstract
  In this work, a low-cost activated carbon as well as non-hazardous material, with high adsorption capacity, was prepared from Melia azedarach fruit (MF) by ZnCl2 activation for the removal of Pb(II) toxic metal from aqueous solutions. The microstructure of the activated carbon was observed by Scanning ...  Read More

Adsorption of Pb(II) by activated carbon prepared from Melia azedarach fruit: Equilibrium and thermodynamics


Analytical chemistry
Preconcentration of acrylamide with dispersive liquid-liquid microextraction based on solidification of floating organic drop prior to determination by HPLC

Shaghayegh Mohebi; Ali Mazloomifar

Volume 6, Issue 1, pp. 1-108, Serial No. 18 , January 2018, , Pages 8-18

Abstract
  A novel, rapid, simple and sensitive dispersive liquid-liquid microextraction method based on the solidification of floating organic drop (DLLME-SFO) combined with high performance liquid chromatography-ultra violet detection (HPLC-UV) was used to determine acrylamide in potato chips. The derivation ...  Read More

Preconcentration of acrylamide with dispersive liquid-liquid microextraction based on solidification of floating organic drop prior to determination by HPLC


Analytical chemistry
Determination of trace amounts of chromium ions in water and food samples using ligand-less solid phase extraction-based modified nano-boehmite(AlOOH)

Mohammad Rezaiati; Farhad Salimi; Changiz Karami

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , October 2017, , Pages 397-406

Abstract
  Chromium is one of the hazardous pollutants in industrial effluents. In this study, a new nano-boehmite modified with sodium dodecyl sulphate is developed for preconcentration trace amounts of chromium ions as a prior step to its determination by flame atomic absorption spectrometry. We investigated ...  Read More

Determination of trace amounts of chromium ions in water and food samples using ligand-less solid phase extraction-based modified nano-boehmite(AlOOH)


Analytical chemistry
Simultaneous determination of Tropaeolin O and brilliant blue in food samples after cloud point extraction

Rouhollah Heydari; Farzaneh Bastami; Mohammad Hosseini; Mohammad Alimoradi

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , July 2017, , Pages 242-251

Abstract
  In this study, a simple and low-cost method was developed for extraction and pre-concentration of brilliant blue(BB) and Tropaeolin O(TO) in food samples using cloud point extraction (CPE) prior to spectrophotometric determination. The effects of main factors such as pH, surfactant and salt concentrations, ...  Read More

Simultaneous determination of Tropaeolin O and brilliant blue in food samples after cloud point extraction


Analytical chemistry
Water quality and sedimentary analyses of Siddheshwar dam (India) for assessing irrigational suitability

Parveen Rajjak Shaikh; Isak Rajjak Shaikh; Arjun Bapurao Bhosle

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , July 2017, , Pages 315-337

Abstract
  The physico-chemical properties of water and sediments therein were analyzed for assessing the suitability of Siddheshwar dam (India) waters for irrigation purpose. The physical parameters include total dissolved solids and electrical conductivity. The chemical parameters studied include pH, free carbon ...  Read More

Water quality and sedimentary analyses of Siddheshwar dam (India) for assessing irrigational suitability


Analytical chemistry
Wavelength region selection and spectrophotometric simultaneous determination of naphthol isomers based on net analyte signal

Ahmadreza Amraei; Ali Niazi; Mohammad Alimoradi

Volume 5, Issue 2, pp. 121-236, Serial No. 15 , April 2017, , Pages 207-216

Abstract
  Naphthol isomers were simultaneously and spectrophotometrically determined in wastewater, using a model based on net analyte signal (NAS). The calibration method used is a variation of the original hybrid linear analysis method as proposed by Goicoechea and Olivieri (HLA/GO). Owing to spectral interferences, ...  Read More

Wavelength region selection and spectrophotometric simultaneous determination of naphthol isomers based on net analyte signal


Analytical chemistry
A cheap and an efficient electrode for electrocatalytic oxidation of methanol with nickel particles dispersed into sodium dodecyl sulfate modified carbon paste electrode

Banafsheh Norouzi

Volume 5, Issue 1, pp. 1-120, Serial No. 14 , January 2017, , Pages 42-51

Abstract
  A sodium dodecyl sulfate modified carbon paste electrode (SDS/CPE) was developed in this work based on the surface modification method. The modified electrode was prepared by immersing SDS/CPE in a nickel nitrate solution. This electrode showed a strong accumulation ability toward nickel ions. Then modified ...  Read More

A cheap and an efficient electrode for electrocatalytic oxidation of methanol with nickel particles dispersed into sodium dodecyl sulfate modified carbon paste electrode


Analytical chemistry
Quantitative structure-activity relationship (QSAR) study of CCR2b receptor inhibitors using SW-MLR and GA-MLR approaches

Mehdi Nekoei

Volume 5, Issue 1, pp. 1-120, Serial No. 14 , January 2017, , Pages 79-98

Abstract
  In this paper, the quantitative structure activity-relationship (QSAR) of the CCR2b receptor inhibitors was scrutinized. Firstly, the molecular descriptors were calculated using the Dragon package. Then, the stepwise multiple linear regressions (SW-MLR) and the genetic algorithm multiple linear regressions ...  Read More

Quantitative structure-activity relationship (QSAR) study of CCR2b receptor inhibitors using SW-MLR and GA-MLR approaches


Analytical chemistry
Determination of Captopril using platinum coated nanoporous gold film electrode

Nahid Tavakkoli; Nasrin Soltani; Arezo Afsharpour

Volume 4, Issue 4, pp. 359-490, Serial No. 13 , October 2016, , Pages 414-432

Abstract
  In this article electrochemical determination of captopril at the surface of the platinum coated nanoporous gold film (PtNPGF) electrode is reported using the cyclic voltammetry and amperometry. For the preparation of PtNPGF, the surface of NPGF electrode was covered with Cu layer using underpotential ...  Read More

Determination of Captopril using platinum coated nanoporous gold film electrode


Analytical chemistry
Application of carbon ceramic modified electrode with prussian blue for electrocatalytic oxidation of nitrite ion

Sohrab Ershad; Noshin Safarzadeh; Hamzeh Akhondi-Yamchi

Volume 4, Issue 3, pp. 236-358, Serial No. 12 , July 2016, , Pages 256-264

Abstract
  A novel chemically modified electrode containing Prussian blue complex was achieved on the surface of glass carbon electrode by sol-gel technique. The electrochemical behavior of modified electrode was characterized by cyclic voltammetry in detail. The film electrode obtained was very stable and exhibited ...  Read More

Application of carbon ceramic modified electrode with prussian blue for electrocatalytic oxidation of nitrite ion


Analytical chemistry
Adsorption and Neutralization Chemistry of Dimethyl Methyl Phosphonate (DMMP) as an Organo-Phosphorous Pollutant (OPP) on the Surface of Nano-Structured Co3O4 and MnCo2O4 Catalysts

Meysam Sadeghi; Sina Yekta

Volume 4, Issue 1, pp. 1-132, Serial No. 10 , January 2016, , Pages 21-41

Abstract
  In this work, the practicality of catalytic surfaces of nano-structured Co3O4 and MnCo2O4 for the adsorption and neutralization reactions of dimethyl methyl phosphonate (DMMP) as an toxic agricultural organo-phosphorous pesticide has been investigated. The Co3O4 and MnCo2O4 NPs have been successfully ...  Read More

Adsorption and Neutralization Chemistry of Dimethyl Methyl Phosphonate (DMMP) as an Organo-Phosphorous Pollutant (OPP) on the Surface of Nano-Structured Co3O4 and MnCo2O4 Catalysts


Analytical chemistry
Electrosynthesis and optical modeling of ZnO nanostructures

Narges Ajami; Ali Ehsani; Ferydon Babaei; Ashraf Heidaripour

Volume 3, Issue 2, pp. 72-147, Serial No. 7 , April 2015, , Pages 72-77

Abstract
  Optical modeling was applied for obtaining absorbance spectra and band gap values for different morphology of ZnO semiconductor. In optical modeling, the relative permittivity scalars of zinc oxide coral like nanorods were calculated using the Bruggeman homogenization formalism. ZnO nano rods (ZONRs) ...  Read More

Electrosynthesis and optical modeling of ZnO nanostructures


Analytical chemistry
Kinetic study of the electrocatalytic oxidation of acetaldehyde at Ni/Al layered double hydroxide modified sol-gel derived carbon ceramic electrode

Ghasem Karim-Nezhad; Ali Pashazadeh

Volume 3, Issue 2, pp. 72-147, Serial No. 7 , April 2015, , Pages 86-95

Abstract
  In this research, we reported a novel modified carbon ceramic electrode (CCE) using Ni/Al Layered double hydroxide as modifier was fabricated by sol-gel technique. The Ni/Al Layered double hydroxide modified sol gel derived carbon ceramic (Ni/Al LDH-SGD-CC) electrode was used for electrocatalytic oxidation ...  Read More

Kinetic study of the electrocatalytic oxidation of acetaldehyde at Ni/Al layered double hydroxide modified sol-gel derived carbon ceramic electrode


Analytical chemistry
Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode

Masoumeh Taei; Foroozan Hasanpour; Marjan Shavakhi

Volume 3, Issue 1, pp. 1-71, Serial No.6 , January 2015, , Pages 16-25

Abstract
  A carbon-paste electrode (CPE) chemically modified with the N-4,4'-azodianiline(ferrocenyl Schiff base) complex and multi wall carbon nanotubes (ADAFCNTE) was used as a highly sensitive electrochemical sensor for determination of trace amounts of atenolol. The oxidation peak potentials in cyclic voltammogram ...  Read More

Application of N-4,4'-azodianiline(ferrocenyl Schiff base) for electrocatalytic determination of atenolol on modified carbon paste electrode


Analytical chemistry
The effect of time and temperature on the growth and morphology of cupper oxide nanostructures

Mohamad Mohsen Momeni; Mohadesah Hakimiyan; Ali Kazempoor; Mahboubeh Mirhosseini; Zohre Nazari; Seyed Mostafa Mirhoseini; Hadi Kargar

Volume 3, Issue 1, pp. 1-71, Serial No.6 , January 2015, , Pages 41-47

Abstract
  Cupper Oxide structures with a variety of novel morphologies are synthesized using cupper foil as substrate via a solution route. The structure, morphology and phase of the as-synthesized nanostructures are analyzed by various techniques. SEM images show gradual development of hierarchical structures ...  Read More

The effect of time and temperature on the growth and morphology of cupper oxide nanostructures


Analytical chemistry
Extraction and preconcentration of Pb(II) from water and soil samples using modified activated carbon

Fatemeh Sabermahani; Nosrat Madadi Mahani

Volume 3, Issue 1, pp. 1-71, Serial No.6 , January 2015, , Pages 48-56

Abstract
  In this work, a new extractant was prepared by immobilizing ligand 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol, (5-Br-PADAP), on the activated carbon and applied to extraction of Pb(II) prior to determination by flame atomic absorption spectrometry. It was confirmed by FT- IR analysis. The metal ion ...  Read More

Extraction and preconcentration of Pb(II) from water and soil samples using modified activated carbon


Organic chemistry
Isolation and characterization of curcumin from powdered rhizomes of turmeric plant marketed in Maragheh city of Iran with soxhlet technique

Mehdi Nabati; Mehrdad Mahkam; Hassan Heidari

Volume 2, Issue 4, pp. 236-325, Serial No. 5 , October 2014, , Pages 236-243

Abstract
  Turmeric (Curcuma longa L.) is extensively used as a spice, food preservative and colouring material. It has been used in traditional medicine for various diseases. Curcumin, the main yellow bioactive component of turmeric has been shown to have a wide spectrum of biological actions. Heretofore, it has ...  Read More

Isolation and characterization of curcumin from powdered rhizomes of turmeric plant marketed in Maragheh city of Iran with soxhlet technique


Analytical chemistry
Simple spectrophotometric methods for quantification of modafinil using 1,2-naphthoquinone-4-sulphonate and 2,4-dinitrophenol as analytical reagents

Burla Sunitha Seshamamba; Peruri Veera Satyanarayana; Chandra Sekharan

Volume 2, Issue 4, pp. 236-325, Serial No. 5 , October 2014, , Pages 255-268

Abstract
  Two simple visible spectrophotometric methods are developed and validated for the quantification of modafinil using 1,2-naphthoquinone-4-sulphonic acid (NQS method) and 2,4-dinitrophenol (DNP method) as analytical reagents. The NQS method involves the reaction of modafinil with 1,2-naphthoquinone-4-sulphonate ...  Read More

Simple spectrophotometric methods for quantification of modafinil using 1,2-naphthoquinone-4-sulphonate and 2,4-dinitrophenol as analytical reagents


Analytical chemistry
QSRR models of veterinary drugs in milk in ultra-performance liquid chromatography coupled to time of flight mass spectrometry

Hadi Noorizadeh; Sharmin Esmaeilpoor; Zohreh Moghadam; Shahnaz Nosratolahy

Volume 2, Issue 4, pp. 236-325, Serial No. 5 , October 2014, , Pages 283-299

Abstract
  The veterinary drugs residues are also important pollutants found in milk, since veterinary drugs are commonly used in cattle management. Considering the role of milk in human nutrition and its wide consumption throughout the world, it is very important to ensure the milk quality. A quantitative structure–retention ...  Read More

QSRR models of veterinary drugs in milk in ultra-performance liquid chromatography coupled to time of flight mass spectrometry


Analytical chemistry
The effect of sulfuric acid on pore initiation in anodic alumina formed in oxalic acid

Behnam Hafezi

Volume 2, Issue 3, pp. 162-231, Serial No. 4 , July 2014, , Pages 222-231

Abstract
  In this work, a tracer study on pore initiation in anodic alumina in oxalic acid was performed. Effects of some experimental parameters such as applied electrical potential, electrolyte composition and heat pretreatment were evaluated. Electrochemical and morphological experiments were performed using ...  Read More

The effect of sulfuric acid on pore initiation in anodic alumina formed in oxalic acid