Volume 37 (2018)
Volume 36 (2017)
Volume 35 (2016)
Volume 34 (2015)
Volume 33 (2014)
Volume 32 (2013)
Volume 31 (2012)
Volume 30 (2011)
Volume 29 (2010)
Volume 28 (2009)
Volume 27 (2008)
Volume 26 (2007)
Volume 25 (2006)
Volume 24 (2005)
Volume 23 (2004)
Volume 22 (2003)
Volume 21 (2002)
Volume 20 (2001)
Volume 19 (2000)
Volume 18 (1999)
Volume 17 (1998)
Volume 16 (1997)
Volume 15 (1996)
Volume 14 (1995)
Volume 13 (1994)
Volume 12 (1993)
Volume 11 (1992)
Volume 10 (1991)
Volume 9 (1990)
Volume 8 (1989)
Volume 7 (1988)
Volume 6 (1987)
Chemical Engineering
OPTIMIZATION EXTRACTION OF TERBIUM BY SUPPORTED LIQUID MEMBRANE USING D2EHPA &TOPO

Mohammed Amine Didi; Sid Ahmed Elhabiri

Articles in Press, Accepted Manuscript, Available Online from 05 February 2019

Abstract
  The extraction of Terbium (III) from aqueous nitrate solutions with a supported liquid membrane was investigated using a mixture of di-(2-ethylhexyl phosphoric acid (D2EHPA) and tri-octyl phosphine oxide (TOPO) with a molar ratio 1/0.4. The Hydrophobic Polyvinylidene Fluoride (PVDF) membrane was used ...  Read More

Chemistry
Effect of Ultrasonic Extraction Regimes on Phenolics and Antioxidant Attributes of Rice (oryza sativa L.) Cultivars

Muhammad Zubair; Farooq Anwar; Muhammad Nadeem Zafar; Muhammad Faizan Nazar; Abdullah Ijaz Hussain; Ehsan Ullah Mughal

Volume 37, Issue 1 , January and February 2018, , Page 109-119

Abstract
  Teh ultrasound-assisted magnetic stirrer was used as an effective extraction technique for teh evaluation of total phenolic contents (TPC) and antioxidant potential of ten Pakistani brown rice cultivars. For this purpose, ultrasonic (240W frequency 50/60 Hertz) assisted magnetic stirrer coupled with ...  Read More

Chemistry
Synthesis and Evaluating of Nanoporous Molecularly Imprinted Polymers for Extraction of Quercetin as a Bioactive Component of Medicinal Plants

Alireza Amiri; Ali Ramazani; Mohsen Jahanshahi; Ali Akbar Moghadamnia

Volume 35, Issue 4 , November and December 2016, , Page 11-19

Abstract
  In this work, the template, monomer, and cross-linker with the ratio of 1:8:40 were used to synthesize Molecularly Imprinted Polymers (MIPs) for extraction of the bioactive chemical compounds from some traditional herbs as a sorbent material. Quercetin, Methacrylic Acid (MAA), Trimethylolpropanetrimethacrylate ...  Read More

Chemistry
Extraction-Separation of Eu(III)/Th(IV) Ions with a Phosphorylated Ligand in an Ionic Liquid

Zinat Karamzadeh; Mohammad Reza Yaftian; Zahra Shiri Yekta; Abdolreza Nilchi; Leila Dolatyari

Volume 35, Issue 2 , March and April 2016, , Page 89-95

Abstract
  Extraction-separation of Eu(III) and Th(IV) ions from nitrate media into the ionic liquid 1-hexyl-3-methylimidazolium hexafluorophosphate by a phosphorylated salen extractant, bis(chlorophosphoryle)decahydro-2,4-di(2-hydroxyphenyl)benzo[d][1,3,6]oxadiazepine (DPO), is investigated. It is found that Eu(III) ...  Read More

Chemical Engineering
Supercritical Fluid Extraction of β-Carotene from Crude Palm Oil Using CO2 in a Bubbler Extractor: Mass Transfer Study

Reza Davarnejad; Norazlila Mohammad Niza; Shahrzad Arpanahzadeh; Melika Zakeri

Volume 33, Issue 4 , November and December 2014, , Page 79-87

Abstract
  In this study, the diffusivity and volumetric mass transfer coefficients for the extraction of β-carotene from crude palm oil using CO2 solvent in supercritical fluid were determined in the pressure range of 7.5-17.5 MPa and temperature range of 80-120 ºC. For this purpose, a statistical method ...  Read More

Chemistry
Improved Extraction-Separation of Lanthanum/ Europium Ions by Bis(2-ethylhexyl)phosphoric Acid Using 12-Crown-4 as an Ion Selective Masking Agent

Abbas Ali Zamani; Mohammad Reza Yaftian; Naser Dallali

Volume 25, Issue 3 , September and October 2006, , Page 15-19

Abstract
  The extraction-separation of lanthanum and europium ions with bis(2-ethylhexyl) phosphoric acid (DEHPA) in cyclohexane was improved by adding 12-crown-4 (12C4) to the aqueous phase as a masking agent. In the presence of this crown ether the extraction curve of lanthanum ions versus pH shifts to the higher ...  Read More

Chemistry
Extractive Properties of Tri-n-octylphosphine Oxide Towards Thorium (IV) and Europium (III) Ions in Aqueous Nitrate Media

Mohammad Reza Yaftian; Mohammad Ebrahim Eshraghi; Leila Hassanzadeh

Volume 22, Issue 1 , March and April 2003, , Page 71-76

Abstract
  Phosphoryl containing ligand tri-n-octylphosphine oxide (TOPO) in dichloromethane has been used as an extracting agent for tetravalent thorium and trivalent europium ions from their 1 M sodium nitrates. The equilibrium data reveal that both ions are extracted as the complexes at 1:3 metal/ligand ratio. ...  Read More

Chemistry
Solvent Extraction and Transport of Rare Earth Metal Ions Using 5.11.17.23-Tetra-tert-butyl-25,27-bis (diethylcarbomoylmethoxy)-26,28-dihydroxy Calix[4]arene

Mohammad Reza Yaftian; Morteza Vahedpoor; Michel Burgard; Dominique Matt

Volume 19, Issue 2 , November and December 2000, , Page 60-64

Abstract
  The solvent extraction of rare earth metal ions from nitrate solutions by 5.11.17.23-tetra-tert-butyl-25,27-bis(diethylcarbamoylmethoxy)-26,28-dihydroxycalix[4]arene (L) in 1,2-dichloroethane has been investigated. The alalysis of the extraction equilibrium obtained from a mixture of La3+, Eu3+, Er3+ ...  Read More

Chemistry
Extraction-Fluorimetric Determination of Trace Amounts of Mercury by 1,10-Diaza-18-Crown-6 and Rose Bengal

Mojtaba Shamsipur; Mohsen Kompani

Volume 14, Issue 2 , November and December 1995, , Page 59-64

Abstract
  A simple and sensitive extraction-fluorimetric method for the determination of mercury is reported. The method is based on the quantitative extractionof a ternary crown-mercury-rose Bengal complex into chloroform at pH 10 followed by fluorimetric measurements at 580 nm. A linear working range from 0.05 ...  Read More

Chemistry
Extraction-Fluorimetric Determination of Low Levels of Copper by 1,7- Diaza-15-Crown-5 and Rose Bengal

Mojtaba Shamsipur; Mohammad Reza Fathi

Volume 13, Issue 2 , November and December 1994, , Page 91-96

Abstract
  A simple and sensitive extraction-fluorimetric method for the determination of copper is reported. The 1,7-diaza-15-crown-5-copper-rose Bengal (DA15C5-Cu-RB) ternary complex is quantitatively extracted into chloroform, diluted with ammoniacal acetone and its fluorescence intensity is measured at 570 ...  Read More

Chemistry
Extraction of Traces of Copper as Tetra-Butylammonium Tetrathiocyanato Copper (II) and Its Spectrophotometric Determination Using Eriochrome Black T

Mojtaba Shamsipur; Ali Reza Fakhari

Volume 12, Issue 1 , May and June 1993, , Page 39-44

Abstract
  An extraction-spectrophotometric method for the determination of traces of copper (II) is described. The method is based on the quantitative extraction of copper as tetrabutylammonium tetrathiocyanato copper (II) into methyl isobutyl ketone, followed by spectrophotometric determination, using eriochrome ...  Read More

Chemistry
Extraction - Spectrophotometric Determination of Palladium with Tetrabutyl Ammonium Iodide

Sh. Shamsipour, M. Dadfarnia

Volume 11, Issue 1 , May and June 1992, , Page 14-19

Abstract
  A sensitive and selective extraction - spectrophotometric method for the determination of trace amounts of palladium is reported. The method is based on quantitative extraction of brownish tetrabutylammoium tetraiodopalladium (II) ion pair into a small valume of chloroform at pH 1.3-12.0, followed by ...  Read More

Chemistry
Extraction of Carthamin from Carthamus Tinctorus and Investigating Its Dyeing of Wool Using Potassium DI-Chromate Mordant

N. Saadatjou

Volume 10, Issue 1 , May and June 1991, , Page 79-86

Abstract
  Carthamin, the natural dye of carthamus tinctorius (Golrang) was separated by soxhlet extraction and further purified in good yields. Its mordant dyeing of wool, using potassium dichromate as mordant, showed a high washing fastness (above 4). Mordanting by "sweet chrome", "sour chrome", and "reduced ...  Read More