List of Articles Preconcentration Open Access Article Abstract Page Full-Text 1 - Determination of Trace Amount of Zn2+ Ion in soil, blood and vegetable and water samples by Flame Atomic Absorption Spectrometry After Cloud Point Extraction Using Selective Synthesis Ligand2-(3- indolyl) – 4,5 di phynyl imidazole. gholamhossein vatankhah hboube ebrahimi darush jafari Open Access Article Abstract Page Full-Text 2 - Spectrophotometric Determination of Hg2+ after Solid Phase Extraction on Microcrystalline Naphthalene M. Reza Shishehbore Navid Nasirizadeh A. Mohammad Akhoundi Open Access Article Abstract Page Full-Text 3 - Preparation of Modified Nanocellulose with 5-Br-PADAP for Preconcentration and Determination of Trace Amounts of Cobalt Ions in Natural Water Samples Sekyneh ganji-jouybari Ali Mirabi Ali Shokuhi rad 10.30495/jest.2020.33949.4151 Open Access Article Abstract Page Full-Text 4 - Determination of Nickel in Environmental Samples by Flotation Spectra-photometric Method using Dimethyl Glyoxime Mohammad Hadi Givianrad Amir Hossein Haghighaty Open Access Article Abstract Page Full-Text 5 - Fast Monitoring of the Phosphate Ions at Sub-mg L level with the Aim of Diamine-grafted MCM-41 Mesoporous silica and Ion Chromatography Leila Hajiaghababaei Sima Djam Open Access Article Abstract Page Full-Text 6 - Solid-phase Extraction Using Modified Carbon Nanotube and Cupferron Ligand for Preconcentration and Determination of Trace Amounts of Copper in Real Samples Maasoomeh Ghasemi Ali Moghimi Mohammad-Ali Karimi Shahla Mozaffari Open Access Article Abstract Page Full-Text 7 - Synthesize of Ion Imprinted Polymer for Selective Extraction of lead (II) from Environmental Water Samples Mahboobeh Manoochehri Homayon Ahmad Panahi Meghdad Karimi Open Access Article Abstract Page Full-Text 8 - Dispersive solid-phase extraction for preconcentration of colored effluent in aqueous samples using magnetic carbon nanotubes modified with chitosan ali moghimi Milad Abniki Open Access Article Abstract Page Full-Text 9 - Removal of lead (II) using modified octadecyl silica nanomagnetic disks with dioctyl phthalate by atomic absorption spectroscopy ali moghimi Milad Abniki Mahnaz Qomi Open Access Article Abstract Page Full-Text 10 - Effective removal of mercury (II) from environmental aqueous samples using carbon nanotubes carboxylated by dispersive solid-phase extraction method Ali Moghimi Milad Abniki Mohammd Yari Open Access Article Abstract Page Full-Text 11 - Combination of two liquid microextraction methods for extraction and determination of copper in water samples by using flame atomic absorption spectroscopy MARYAM RAZIEE 10.30495/jacr.2023.1980122.2103 Open Access Article Abstract Page Full-Text 12 - Synthesis and application of metal-organic framework functionalized with poly)indole( to extract and measure phenolic compounds in environmental samples Mahboobeh Manoochehri sabrali nouri Open Access Article Abstract Page Full-Text 13 - Microextraction and measurement of cholecalciferol (vitamin D3) in biofibers by a three-phase method using hollow fiber and two immiscible organic solvents MARYAM RAZIEE Open Access Article Abstract Page Full-Text 14 - Preparation of sorbent for Zn (II) from modified active carbon for determination of Zn(II) in environmental samples Kh. Aghdam E. Moniri A.A. Mehrdad Sharif H. Ahmad Panahi Open Access Article Abstract Page Full-Text 15 - Synthesis a new sorbent for preconcentration and separation of aluminum ion from aqueous solutions (with emphasis on subterranean water samples) N. Yazdanian H. Ahmad Panahi M. Rabani Open Access Article Abstract Page Full-Text 16 - Utilization of electrodeposition on a graphite probe modified with palladium in determination of lead by graphite furnace atomic absorption spectrometry in water and environmental samples Ahmad Rouhollahi Reza Moradkhani Hamid Shirkhanloo Jahan B. Ghasemi Open Access Article Abstract Page Full-Text 17 - Fabrication of Mesoporous Silica-coated Graphene Oxide by New Method and Application in Solid Phase Extraction for Preconcentration of Cu2+ Ali Moghimi 10.22034/jchr.2018.544218 Open Access Article Abstract Page Full-Text 18 - Separation of Trace Amount Cu (II) Using Octadecyl Silica Membrane Disks - Nano Graphene Modified N, N -disalicylideneethylenediamine Ali Moghimi 10.22034/jchr.2018.544063 Open Access Article Abstract Page Full-Text 19 - Solid Phase Extraction of Trace Copper(II) Using Modified Nano Polyacrylonitrile Fiber A. Moghimi H. Mosalai H. Hashemi Moghadam 10.22034/jchr.2012.543992 Open Access Article Abstract Page Full-Text 20 - Ultra-Trace Determination of Copper and Silver in Environmental Samples by Using Ionic Liquid-Based Single Drop Microextraction-Electrothermal Atomic Absorption Spectrometry J. Abolhasani M. Amjadi E. Ghorbani Kalhor 10.22034/jchr.2018.544036 Open Access Article Abstract Page Full-Text 21 - Extraction and Determination of Pb(II) by Organic Functionalisation of Graphenes Adsorbed on Surfactant Coated C18 in Environmental Sample A. Moghimi S. Yousefi Siahkalrodi 10.22034/jchr.2018.544032 Open Access Article Abstract Page Full-Text 22 - Extraction and Separation of Trace Amounts Lead (П) in Water Samples Using Nano Polyacrylonitril Modified Ethylendiamins Ali Moghimi Hamid Hashemi-Moghaddam 10.22034/jchr.2015.544098 Open Access Article Abstract Page Full-Text 23 - Preconcentration of Zn(II) from Sample Water by Phenyl-iminodiacetic Acid Grafted Multiwalled Carbon Nanotubes A. Moghimi 10.22034/jchr.2018.544002 Open Access Article Abstract Page Full-Text 24 - Preconcentration and Determination of Theophylline in Water Samples using Magnetic Nano-Cellulose with Dispersive Solid Phase Extraction Parastoo Molaei ali moghimi Shahin Ahmadi seyedali sobhanian Open Access Article Abstract Page Full-Text 25 - Preconcentration and Determination of Biperiden by using Solvent Bar Micro Extraction Combined with HPLC in Biological Fluids and Optimization by Chemometrics Design Melika Mohamadi persia behbahani Seyedali Sobhanian