In collaboration with Payame Noor University and Iranian Chemical Science and Technologies Association
Surface Modified Nanomagnetite-Assisted Hollow Fiber Solid/ Liquid Phase Microextraction for Pre-concentration and Determination of Palladium in Water Samples by Differential Pulse Voltammetry

Zarrin Es’haghi; Fatemeh Moeinpour

Volume 1, Issue 2 , September 2014, Pages 58-64

Abstract
  An efficient separation-preconcentration procedure namely hollow fiber solid/liquid phase microextraction (HF-SLPME) was developed for determination of trace amounts of palladium in water samples by differential pulse voltammetry. In this method, a hybrid sorbent utilizing functionalized nanoparticles ...  Read More

Hollow Fiber-Based Liquid Phase Microextraction Combined With High-Performance Liquid Chromatography for Extraction and Determination of Loratadine in Human Plasma

Mohammad Reza Hadjmohammadi; Maede Asadi

Volume 1, Issue 2 , September 2014, Pages 65-71

Abstract
  The applicability of hollow fiber-based liquid phase microextraction (HF-LPME) was evaluated for the extraction and preconcentration of Loratadine prior to determination by HPLC. In order to obtain high extraction recovery, the parameters affecting the HF-LPME including type of organic phase, pH of the ...  Read More

Silica Nanoparticle Hyperbranched Polyglycerolsulfuric Acid: The Chemoselective, Efficient, Green and Reusable Nanocatalyst for the Alcohol Oxidation

Maryam Malekzadeh; Faeze Daneshfar; Seyed Mohsen Sadeghzadeh

Volume 1, Issue 2 , September 2014, Pages 72-77

Abstract
  Nano SiO2/hyperbranched polyglycerol (HPG)/SO3H catalyst was readily prepared for first time from inexpensive starting materials in aqueous media which catalyzed the synthesis of benzoic acid. FTIR spectra, X-ray diffraction (XRD) and transmission electron micrographs (TEM) was employed to characterize ...  Read More

Fast Removal of Reactive Red 141 and Reactive Yellow 81 From Aqueous Solution by Fe3O4 Magnetic Nanoparticles Modified With Ionic Liquid 1-Octyl-3-methylimidazolium Bromide

Sedigheh Kamran; Hossein Tavallali; Ali Azad

Volume 1, Issue 2 , September 2014, Pages 78-86

Abstract
  Fe3O4 magnetic nanoparticles modified with 1-Octyl-3-methylimidazolium bromide([C8MIM]-Fe3O4) were used for the removal of reactive red 141 (RR141) and reactive yellow 81 (RY81) as model azo dyes from aqueous solution. The mean size and the surface morphology of the nanoparticles were characterized by ...  Read More

Speciation, Preconcentration and Determination of Iron in Legumes Sample Based on a Novel Magnetic Mixed Hemimicell Solid Phase Extraction Technique

Hossein Tavallali; Gohar Deilamy-Rad; Hoda Ansari

Volume 1, Issue 2 , September 2014, Pages 87-96

Abstract
  A novel magnetic mixed hemimicell solid phase extraction (MMHSPE) technique for speciation analysis of soluble, ferrous and ferric iron in legumes sample by flame atomic absorption spectrometry analysis (FAAS) was developed. MMHSPE system consisting of alumina-coated magnetite nanoparticles (Fe3O4/Al2O3NPs) ...  Read More

Chelate Modified β-CDP as a Green and Economical Sorbent for Separation and Preconcentration of Co(II)

Sandeep Jaggi; Usha Gupta

Volume 1, Issue 2 , September 2014, Pages 97-105

Abstract
  A simple and sensitive method has been developed for the preconcentration and determination of trace level of Co(II) using UV-Vis spectrophotometry. β-Cyclodextrin polymer modified with 1-(2-pyridylazo)-2-naphthol (PAN) is used for the preconcentration of Co(II) from samples at pH 8.5. The polymer ...  Read More

The Use of Non-Modified Magnetic Nanoparticles for Fast and Efficient Separation and Preconcentration of Trace Amounts of Cadmium (II) Ions from Food and Water Samples

Reyhaneh Rahnama; Sorour Eram

Volume 1, Issue 2 , September 2014, Pages 106-114

Abstract
  A new method for the separation and preconcentration of trace amounts of cadmium in food and water samples by magnetic solid phase extraction (MSPE) with Fe3O4 magnetic nanoparticles (Fe3O4-MNPs) and its determination by flame atomic absorption spectrometry has been developed. For this purpose, Fe3O4-MNPs ...  Read More

Combination of Dispersive Liquid-Liquid Microextraction with Flame Atomic Absorption for Determination of Trace Co(II) in Environmental Water, Egg Yolk and Hair

Soleyman Bahar; Bahare Babamiri

Volume 1, Issue 2 , September 2014, Pages 115-120

Abstract
  In this work, a procedure for preconcentration of cobalt using dispersive liquid–liquid microextraction (DLLME) with the reagent 1-Nitroso 2-naphtol as complexing reagent was developed. At pH 4, Co(II) was complexed with 1-nitroso 2-naphtol and extracted into the fine droplets formed when mixing ...  Read More

Determination of Mineral Elements in Soil, Citrus Limunum Juice and Citrus Limetta Juice Samples by Flame Photometry and Atomic Absorption Spectrometry Methods

Khalilollah Taheri; Nahid Rahneshan

Volume 1, Issue 2 , September 2014, Pages 121-125

Abstract
  A number of researches have been performed in the field of elemental analysis of fruitsfrom different areas of Iran and there is a vast unstudied area in this field. In this study, seven mineral elements such as Na, K, Ca, Mg, Fe, Zn and Cu in the tree soil, citrus limunum juice of Gorgan and Iranshahr ...  Read More